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text-align: left; font-size: 88%; line-height: 1.5em;"> <caption class="" style="font-size: 125%; font-weight: bold;">Atom</caption> <tr> <td colspan="2" class="" style="text-align:center;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/File:Feed-icon.svg" class="image" title="The Firefox and Internet Explorer 7 Feed icon."><img alt="The Firefox and Internet Explorer 7 Feed icon." src="http://web.archive.org/web/20090424105407im_/http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Feed-icon.svg/128px-Feed-icon.svg.png" width="128" height="128" border="0"/></a></td> </tr> <tr> <th style=""><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Filename_extension" title="Filename extension">Filename extension</a></th> <td class="" style=""><code><tt>.atom</tt>, <tt>.xml</tt></code></td> </tr> <tr> <th style=""><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Internet_media_type" title="Internet media type">Internet media type</a></th> <td class="" style=""><code>application/atom+xml</code></td> </tr> <tr> <th style="">Type of format</th> <td class="" style=""><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_syndication" title="Web syndication">web syndication</a></td> </tr> <tr> <th style="">Extended from</th> <td class="" style=""><a href="/web/20090424105407/http://en.wikipedia.org/wiki/XML" title="XML">XML</a></td> </tr> </table> The name Atom applies to a pair of related standards. The Atom Syndication Format is an <a href="/web/20090424105407/http://en.wikipedia.org/wiki/XML" title="XML">XML</a> language used for <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_feed" title="Web feed">web feeds</a>, while the Atom Publishing Protocol (AtomPub or APP) is a simple <a href="/web/20090424105407/http://en.wikipedia.org/wiki/HTTP" title="HTTP" class="mw-redirect">HTTP</a>-based protocol for creating and updating web resources. Web feeds allow <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Software" title="Software" class="mw-redirect">software</a> programs to check for updates published on a web site. To provide a web feed, a site owner may use specialized software (such as a <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Content_management_system" title="Content management system">content management system</a>) that publishes a list (or "feed") of recent articles or content in a standardized, machine-readable format. The feed can then be downloaded by web sites that syndicate content from the feed, or by <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Feed_reader" title="Feed reader" class="mw-redirect">feed reader</a> programs that allow Internet users to subscribe to feeds and view their content. A feed contains entries, which may be headlines, full-text articles, excerpts, summaries, and/or links to content on a web site, along with various <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Metadata" title="Metadata">metadata</a>. The Atom format was developed as an alternative to <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS" title="RSS">RSS</a>. <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Ben_Trott" title="Ben Trott">Ben Trott</a>, an advocate of the new format that became Atom, believed that RSS had limitations and flaws—such as lack of on-going innovation and its necessity to remain backward compatible— and that there were advantages to a fresh design.<a href="#cite_note-why_echo-0" title="">[1]</a> Proponents of the new format formed the IETF Atom Publishing Format and Protocol Workgroup. The Atom syndication format was published as an <a href="/web/20090424105407/http://en.wikipedia.org/wiki/IETF" title="IETF" class="mw-redirect">IETF</a> proposed standard in <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc4287" class="external" title="http://tools.ietf.org/html/rfc4287">RFC 4287</a>, and the Atom Publishing Protocol was published as <a href="http://web.archive.org/web/20090424105407/http://bitworking.org/projects/atom/rfc5023.html" class="external text" title="http://bitworking.org/projects/atom/rfc5023.html" rel="nofollow">RFC 5023</a>. <table id="toc" class="toc" summary="Contents"> <tr> <td> <div id="toctitle"> <h2>Contents</h2> </div> <ul> <li class="toclevel-1"><a href="#Usage">1 Usage</a></li> <li class="toclevel-1"><a href="#Atom_compared_to_RSS_2.0">2 Atom compared to RSS 2.0</a> <ul> <li class="toclevel-2"><a href="#Content_Model">2.1 Content Model</a></li> <li class="toclevel-2"><a href="#Date_Formats">2.2 Date Formats</a></li> <li class="toclevel-2"><a href="#Internationalization">2.3 Internationalization</a></li> <li class="toclevel-2"><a href="#Modularity">2.4 Modularity</a></li> </ul> </li> <li class="toclevel-1"><a href="#Barriers_to_adoption">3 Barriers to adoption</a></li> <li class="toclevel-1"><a href="#Development_History">4 Development History</a> <ul> <li class="toclevel-2"><a href="#Background">4.1 Background</a></li> <li class="toclevel-2"><a href="#Initial_Work">4.2 Initial Work</a></li> <li class="toclevel-2"><a href="#Atom_0.3_and_Adoption_by_Google">4.3 Atom 0.3 and Adoption by Google</a></li> <li class="toclevel-2"><a href="#Atom_1.0_and_IETF_Standardization">4.4 Atom 1.0 and IETF Standardization</a></li> </ul> </li> <li class="toclevel-1"><a href="#Example_of_an_Atom_1.0_Feed">5 Example of an Atom 1.0 Feed</a></li> <li class="toclevel-1"><a href="#See_also">6 See also</a></li> <li class="toclevel-1"><a href="#References">7 References</a></li> <li class="toclevel-1"><a href="#External_links">8 External links</a></li> </ul> </td> </tr> </table> <script type="text/javascript"> //<![CDATA[ if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } //]]> </script> <a name="Usage" id="Usage"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=1" title="Edit section: Usage">edit</a>] Usage</h2> Web feeds are used by the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Weblog" title="Weblog" class="mw-redirect">weblog</a> community to share the latest entries' headlines or their full text, and even attached multimedia files.<a href="#cite_note-1" title="">[2]</a> These providers allow other websites to incorporate the weblog's "syndicated" headline or headline-and-short-summary feeds under various usage agreements. Atom and other web syndication formats are now used for many purposes, including journalism, marketing, bug-reports, or any other activity involving periodic updates or publications. Atom also provides a standardized way to export an entire blog, or parts of it, for backup or for importing into other blogging systems. A program known as a <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Feed_reader" title="Feed reader" class="mw-redirect">feed reader</a> or aggregator can check webpages on behalf of a user and display any updated articles that it finds. It is common to find web feeds on major Web sites, as well as many smaller ones. Some websites let people choose between RSS or Atom formatted web feeds; others offer only RSS or only Atom. In particular, many <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Blog" title="Blog">blog</a> and <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Wiki" title="Wiki">wiki</a> sites offer their web feeds in the Atom format. <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Client-side" title="Client-side">Client-side</a> readers and aggregators may be designed as standalone programs or as extensions to existing programs like <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_browser" title="Web browser">web browsers</a>. Browsers are moving toward integrated feed reader functions. Such programs are available for various operating systems. Web-based feed readers and news aggregators require no software installation and make the user's "feeds" available on any computer with Web access. Some aggregators syndicate (combine) web feeds into new feeds, e.g., taking all football related items from several sports feeds and providing a new football feed. There are several search engines which provide search functionality over content published via these web feeds. On Web pages, web feeds (Atom or RSS) are typically linked with the word "Subscribe" or with the unofficial web feed logo (<a href="/web/20090424105407/http://en.wikipedia.org/wiki/File:Feed-icon.svg" class="image" title="Feed-icon.svg"><img alt="" src="http://web.archive.org/web/20090424105407im_/http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Feed-icon.svg/16px-Feed-icon.svg.png" width="16" height="16" border="0"/></a>). <a name="Atom_compared_to_RSS_2.0" id="Atom_compared_to_RSS_2.0"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=2" title="Edit section: Atom compared to RSS 2.0">edit</a>] Atom compared to RSS 2.0</h2> <table class="metadata plainlinks ambox mbox-small-left ambox-style" style=""> <tr> <td class="mbox-image"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/File:Ambox_style.png" class="image" title="Ambox style.png"><img alt="" src="http://web.archive.org/web/20090424105407im_/http://upload.wikimedia.org/wikipedia/en/thumb/d/d6/Ambox_style.png/20px-Ambox_style.png" width="20" height="20" border="0"/></a></td> <td class="mbox-text" style="">This section may require <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Wikipedia:Cleanup" title="Wikipedia:Cleanup">cleanup</a> to meet Wikipedia's <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Wikipedia:Manual_of_Style" title="Wikipedia:Manual of Style">quality standards</a>.</td> </tr> </table> When Atom emerged as a format intended to rival or replace <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_(file_format)" title="RSS (file format)" class="mw-redirect">RSS</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/CNET" title="CNET" class="mw-redirect">CNET</a> described the motivation of its creators as follows: "<a href="/web/20090424105407/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Winer's</a> opponents are seeking a new format that would clarify RSS ambiguities, consolidate its multiple versions, expand its capabilities, and fall under the auspices of a traditional standards organization." <a href="#cite_note-2" title="">[3]</a> A brief description of some of the ways Atom 1.0 differs from RSS 2.0 has been given by <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Tim_Bray" title="Tim Bray">Tim Bray</a>, who played a major role in the creation of Atom:<a href="#cite_note-3" title="">[4]</a> <a name="Content_Model" id="Content_Model"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=3" title="Edit section: Content Model">edit</a>] Content Model</h3> RSS 2.0 may contain either plain text or escaped HTML as a payload, with no way to indicate which of the two is provided. Atom, on the other hand, provides a mechanism to explicitly and unambiguously label the type of content being provided by the entry, and allows for a broad variety of payload types including plain text, escaped <a href="/web/20090424105407/http://en.wikipedia.org/wiki/HTML" title="HTML">HTML</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/XHTML" title="XHTML">XHTML</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/XML" title="XML">XML</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Base64" title="Base64">Base64</a>-encoded binary, and references to external content such as documents, video, audio streams, and so forth. <a name="Date_Formats" id="Date_Formats"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=4" title="Edit section: Date Formats">edit</a>] Date Formats</h3> The RSS 2.0 specification relies on the use of <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc822" class="external" title="http://tools.ietf.org/html/rfc822">RFC 822</a> formatted timestamps to communicate information about when items in the feed were created and last updated. The Atom working group chose instead to use timestamps formatted according to the rules specified by <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc3339" class="external" title="http://tools.ietf.org/html/rfc3339">RFC 3339</a> (which is a subset of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/ISO_8601" title="ISO 8601">ISO 8601</a>). <a name="Internationalization" id="Internationalization"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=5" title="Edit section: Internationalization">edit</a>] Internationalization</h3> While the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS" title="RSS">RSS</a> vocabulary has a mechanism to indicate a language for the feed, there is no means by which a language for individual items or text elements can be specified. Atom, on the other hand, uses the standardized xml:lang attribute to make it possible to specify a language context for every piece of human readable content in the feed. Atom also differs from RSS in that it supports the use of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Internationalized_Resource_Identifier" title="Internationalized Resource Identifier">Internationalized Resource Identifiers</a>, which allow links to resources and unique identifiers to contain characters outside the US <a href="/web/20090424105407/http://en.wikipedia.org/wiki/ASCII" title="ASCII">ASCII</a> character set. <a name="Modularity" id="Modularity"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=6" title="Edit section: Modularity">edit</a>] Modularity</h3> The elements of the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS" title="RSS">RSS</a> vocabulary are not generally reusable in other <a href="/web/20090424105407/http://en.wikipedia.org/wiki/XML" title="XML">XML</a> vocabularies. The Atom syntax was specifically designed to allow elements to be reused outside the context of an Atom feed document. For instance, it is not uncommon to find atom:link elements being used within RSS 2.0 feeds. <a name="Barriers_to_adoption" id="Barriers_to_adoption"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=7" title="Edit section: Barriers to adoption">edit</a>] Barriers to adoption</h2> <ul> <li>Despite the emergence of Atom as an IETF Proposed Standard and the decision by major companies such as <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Google" title="Google">Google</a> to embrace Atom, use of the older and more widely known RSS 1.0 and RSS 2.0 formats has continued.</li> <li>RSS 2.0 support for enclosures led directly to the development of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Podcast" title="Podcast">podcasting</a>. While many podcasting applications, such as <a href="/web/20090424105407/http://en.wikipedia.org/wiki/ITunes" title="ITunes">iTunes</a>, support the use of Atom 1.0, RSS 2.0 remains the preferred format.<a href="#cite_note-4" title="">[5]</a></li> <li>Many sites choose to publish their feeds in only a single format. For example <a href="/web/20090424105407/http://en.wikipedia.org/wiki/CNN" title="CNN">CNN</a>, the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/New_York_Times" title="New York Times" class="mw-redirect">New York Times</a>, and the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/BBC" title="BBC">BBC</a> offer their web feeds only in RSS 2.0 format.</li> <li>News articles about web syndication feeds have increasingly used the term "RSS" to refer generically to any of the several variants of the RSS format such as RSS 2.0 and RSS 1.0 as well as the Atom format.<a href="#cite_note-5" title="">[6]</a><a href="#cite_note-6" title="">[7]</a></li> <li>Each of the various web syndication feed formats has attracted large groups of supporters who remain satisfied by the specification and capabilities of their respective formats.</li> <li>Sites that publish Atom will often publish RSS as well.</li> </ul> <a name="Development_History" id="Development_History"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=8" title="Edit section: Development History">edit</a>] Development History</h2> <a name="Background" id="Background"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=9" title="Edit section: Background">edit</a>] Background</h3> Before the creation of Atom the primary method of web content syndication was the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_(file_format)" title="RSS (file format)" class="mw-redirect">RSS</a> family of formats. Members of the community who felt there were significant deficiencies with this family of formats were unable to make changes directly to RSS 2.0 because the official specification document stated that it was purposely frozen to ensure its stability.<a href="#cite_note-7" title="">[8]</a> <a name="Initial_Work" id="Initial_Work"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=10" title="Edit section: Initial Work">edit</a>] Initial Work</h3> In June 2003, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Sam_Ruby" title="Sam Ruby">Sam Ruby</a> set up a <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Wiki" title="Wiki">wiki</a> to discuss what makes "a well-formed log entry".<a href="#cite_note-8" title="">[9]</a> This initial posting acted as a rallying point.<a href="#cite_note-9" title="">[10]</a> People quickly started using the wiki to discuss a new syndication format to address the shortcomings of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_(file_format)" title="RSS (file format)" class="mw-redirect">RSS</a>. It also became clear that the new format could form the basis of a more robust replacement for blog editing protocols such as the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Blogger.com" title="Blogger.com" class="mw-redirect">Blogger</a> API and <a href="/web/20090424105407/http://en.wikipedia.org/wiki/LiveJournal" title="LiveJournal">LiveJournal</a> XML-RPC Client/Server Protocol as well. The project aimed to develop a web syndication format that was:<a href="#cite_note-atom_roadmap-10" title="">[11]</a> <ul> <li>"100% vendor neutral,"</li> <li>"implemented by everybody,"</li> <li>"freely extensible by anybody, and"</li> <li>"cleanly and thoroughly specified."</li> </ul> In short order, a project road map<a href="#cite_note-atom_roadmap-10" title="">[11]</a> was built. The effort quickly attracted more than 150 supporters, including <a href="/web/20090424105407/http://en.wikipedia.org/wiki/David_Sifry" title="David Sifry" class="mw-redirect">David Sifry</a> of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Technorati" title="Technorati">Technorati</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mena_Trott" title="Mena Trott" class="mw-redirect">Mena Trott</a> of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Six_Apart" title="Six Apart">Six Apart</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Brad_Fitzpatrick" title="Brad Fitzpatrick">Brad Fitzpatrick</a> of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/LiveJournal" title="LiveJournal">LiveJournal</a>, <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Jason_Shellen&action=edit&redlink=1" class="new" title="Jason Shellen (page does not exist)">Jason Shellen</a> of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Blogger.com" title="Blogger.com" class="mw-redirect">Blogger</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Jeremy_Zawodny" title="Jeremy Zawodny">Jeremy Zawodny</a> of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Yahoo!" title="Yahoo!">Yahoo</a>, <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Timothy_Appnel&action=edit&redlink=1" class="new" title="Timothy Appnel (page does not exist)">Timothy Appnel</a> of the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/O%27Reilly_Media" title="O'Reilly Media">O'Reilly Network</a>, <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Glenn_Otis_Brown&action=edit&redlink=1" class="new" title="Glenn Otis Brown (page does not exist)">Glenn Otis Brown</a> of <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Creative_Commons" title="Creative Commons">Creative Commons</a> and <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Lawrence_Lessig" title="Lawrence Lessig">Lawrence Lessig</a>. Other notables supporting Atom include <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mark_Pilgrim" title="Mark Pilgrim">Mark Pilgrim</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Tim_Bray" title="Tim Bray">Tim Bray</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Aaron_Swartz" title="Aaron Swartz">Aaron Swartz</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Joi_Ito" title="Joi Ito">Joi Ito</a>, and <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Jack_Park&action=edit&redlink=1" class="new" title="Jack Park (page does not exist)">Jack Park</a>.<a href="#cite_note-11" title="">[12]</a> Also, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Dave Winer</a>, the key figure behind <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_(file_format)" title="RSS (file format)" class="mw-redirect">RSS 2.0</a>, gave tentative support to the new endeavor.<a href="#cite_note-12" title="">[13]</a> After this point, discussion became chaotic, due to the lack of a decision-making process. The project also lacked a name, tentatively using "Pie," "Echo," "Necho," and "PEAW"<a href="#cite_note-13" title="">[14]</a> before settling on Atom. After releasing a project snapshot known as Atom 0.2 in early July 2003, discussion was shifted off the wiki. <a name="Atom_0.3_and_Adoption_by_Google" id="Atom_0.3_and_Adoption_by_Google"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=11" title="Edit section: Atom 0.3 and Adoption by Google">edit</a>] Atom 0.3 and Adoption by Google</h3> The discussion then moved to a newly set up mailing list. The next and final snapshot during this phase was Atom 0.3, released in December 2003. This version gained widespread adoption in syndication tools, and in particular it was added to several <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Google" title="Google">Google</a>-related services, such as <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Blogger.com" title="Blogger.com" class="mw-redirect">Blogger</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Google_News" title="Google News">Google News</a>, and <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Gmail" title="Gmail">Gmail</a>. Google's Data APIs (Beta) <a href="/web/20090424105407/http://en.wikipedia.org/wiki/GData" title="GData">GData</a> are based on Atom 1.0 and RSS 2.0. <a name="Atom_1.0_and_IETF_Standardization" id="Atom_1.0_and_IETF_Standardization"></a> <h3>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=12" title="Edit section: Atom 1.0 and IETF Standardization">edit</a>] Atom 1.0 and IETF Standardization</h3> In 2004, discussions began about moving the project to a standards body such as the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a> or the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Internet_Engineering_Task_Force" title="Internet Engineering Task Force">Internet Engineering Task Force</a> (IETF). The group eventually chose the IETF and the Atompub working group<a href="#cite_note-14" title="">[15]</a> was formally set up in June 2004, finally giving the project a charter and process. The Atompub working group is co-chaired by <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Tim_Bray" title="Tim Bray">Tim Bray</a> (the co-editor of the <a href="/web/20090424105407/http://en.wikipedia.org/wiki/XML" title="XML">XML</a> specification) and Paul Hoffman. Initial development was focused on the syndication format. The Atom Syndication Format was issued as a Proposed Standard in IETF <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc4287" class="external" title="http://tools.ietf.org/html/rfc4287">RFC 4287</a> in December 2005. The co-editors were <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mark_Nottingham" title="Mark Nottingham">Mark Nottingham</a> and <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Robert_Sayre&action=edit&redlink=1" class="new" title="Robert Sayre (page does not exist)">Robert Sayre</a>. This document is known as atompub-format in IETF's terminology. The Atom Publishing Protocol was issued as a Proposed Standard in IETF <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc5023" class="external" title="http://tools.ietf.org/html/rfc5023">RFC 5023</a> in October 2007. Two other drafts have not been standardized.<a href="#cite_note-15" title="">[16]</a> <a name="Example_of_an_Atom_1.0_Feed" id="Example_of_an_Atom_1.0_Feed"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=13" title="Edit section: Example of an Atom 1.0 Feed">edit</a>] Example of an Atom 1.0 Feed</h2> An example of a document in the Atom Syndication Format: <div dir="ltr" style="text-align: left;"> <pre class="source-xml"> <?xml version="1.0" encoding="utf-8"?> <feed xmlns="http://www.w3.org/2005/Atom"> <title>Example Feed</title> <subtitle>A subtitle.</subtitle> <link href="http://example.org/feed/" rel="self"/> <link href="http://example.org/"/> <updated>2003-12-13T18:30:02Z</updated> <author> <name>John Doe</name> <email>johndoe@example.com</email> </author> <id>urn:uuid:60a76c80-d399-11d9-b91C-0003939e0af6</id> <entry> <title>Atom-Powered Robots Run Amok</title> <link href="http://example.org/2003/12/13/atom03"/> <id>urn:uuid:1225c695-cfb8-4ebb-aaaa-80da344efa6a</id> <updated>2003-12-13T18:30:02Z</updated> <summary>Some text.</summary> </entry> </feed> </pre></div> <a name="See_also" id="See_also"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=14" title="Edit section: See also">edit</a>] See also</h2> <ul> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/HAtom" title="HAtom">hAtom</a> - <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Microformat" title="Microformat">microformat</a> for marking up (X)HTML so that Atom feeds can be derived from it.</li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Sam_Ruby" title="Sam Ruby">Sam Ruby</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Tim_Bray" title="Tim Bray">Tim Bray</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Dave Winer</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/XML" title="XML">XML</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/XSPF" title="XSPF" class="mw-redirect">XSPF</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_syndication" title="Web syndication">Web syndication</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Syndication_format_family_tree" title="Syndication format family tree">Syndication format family tree</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/List_of_content_syndication_markup_languages" title="List of content syndication markup languages">List of content syndication markup languages</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Podcast" title="Podcast">Podcasting</a></li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Channel_Definition_Format" title="Channel Definition Format">Channel Definition Format</a> - an early feed format developed before Atom and RSS.</li> <li><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Content_Management_Interoperability_Services" title="Content Management Interoperability Services">Content Management Interoperability Services</a> - Provides an extension to APP for Content Management</li> </ul> <a name="References" id="References"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=15" title="Edit section: References">edit</a>] References</h2> <div class="references-small"> <ol class="references"> <li id="cite_note-why_echo-0"><a href="#cite_ref-why_echo_0-0" title="">^</a> <cite style="font-style:normal" class="web" id="CITEREFTrott2003">Trott, Benjamin (2003-06-29). <a href="http://web.archive.org/web/20090424105407/http://www.sixapart.com/about/news/2003/06/why_we_need_ech.html" class="external text" title="http://www.sixapart.com/about/news/2003/06/why_we_need_ech.html" rel="nofollow">"Why We Need Echo"</a>. Six Apart — News and Events. <a href="http://web.archive.org/web/20090424105407/http://www.sixapart.com/about/news/2003/06/why_we_need_ech.html" class="external free" title="http://www.sixapart.com/about/news/2003/06/why_we_need_ech.html" rel="nofollow">http://www.sixapart.com/about/news/2003/06/why_we_need_ech.html</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Why+We+Need+Echo&rft.atitle=Six+Apart+%26mdash%3B+News+and+Events&rft.aulast=Trott&rft.aufirst=Benjamin&rft.au=Trott%2C+Benjamin&rft.date=2003-06-29&rft_id=http%3A%2F%2Fwww.sixapart.com%2Fabout%2Fnews%2F2003%2F06%2Fwhy_we_need_ech.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-1"><a href="#cite_ref-1" title="">^</a> See <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Podcast" title="Podcast">podcasting</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Vodcast" title="Vodcast" class="mw-redirect">vodcasting</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Broadcasting" title="Broadcasting">broadcasting</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Screencast" title="Screencast">screencasting</a>, <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Vlog" title="Vlog" class="mw-redirect">vlogging</a>, and <a href="/web/20090424105407/http://en.wikipedia.org/wiki/MP3_blog" title="MP3 blog">MP3 blogs</a>.</li> <li id="cite_note-2"><a href="#cite_ref-2" title="">^</a> <cite style="font-style:normal" class="web" id="CITEREFFesta2003">Festa, Paul (2003-08-04). <a href="http://web.archive.org/web/20090424105407/http://news.cnet.com/Battle-of-the-blog/2009-1032_3-5059006.html" class="external text" title="http://news.cnet.com/Battle-of-the-blog/2009-1032_3-5059006.html" rel="nofollow">"Dispute exposes bitter power struggle behind Web logs"</a>. news.cnet.com. <a href="http://web.archive.org/web/20090424105407/http://news.cnet.com/Battle-of-the-blog/2009-1032_3-5059006.html" class="external free" title="http://news.cnet.com/Battle-of-the-blog/2009-1032_3-5059006.html" rel="nofollow">http://news.cnet.com/Battle-of-the-blog/2009-1032_3-5059006.html</a>. Retrieved on 2008-08-06. "The conflict centers on something called Really Simple Syndication (RSS), a technology widely used to syndicate blogs and other Web content. The dispute pits Harvard Law School fellow Dave Winer, the blogging pioneer who is the key gatekeeper of RSS, against advocates of a different format."</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Dispute+exposes+bitter+power+struggle+behind+Web+logs&rft.atitle=&rft.aulast=Festa&rft.aufirst=Paul&rft.au=Festa%2C+Paul&rft.date=2003-08-04&rft.pub=news.cnet.com&rft_id=http%3A%2F%2Fnews.cnet.com%2FBattle-of-the-blog%2F2009-1032_3-5059006.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-3"><a href="#cite_ref-3" title="">^</a> <cite style="font-style:normal" class="web"><a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared" class="external text" title="http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared" rel="nofollow">"RSS 2.0 and Atom 1.0 Compared"</a>. Atom Wiki. <a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared" class="external free" title="http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared" rel="nofollow">http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared</a>. Retrieved on 2007-12-04.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=RSS+2.0+and+Atom+1.0+Compared&rft.atitle=Atom+Wiki&rft_id=http%3A%2F%2Fwww.intertwingly.net%2Fwiki%2Fpie%2FRss20AndAtom10Compared&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-4"><a href="#cite_ref-4" title="">^</a> <cite style="font-style:normal" class="web"><a href="http://web.archive.org/web/20090424105407/http://www.apple.com/itunes/store/podcaststechspecs.html" class="external text" title="http://www.apple.com/itunes/store/podcaststechspecs.html" rel="nofollow">"Making a Podcast"</a>. Apple Inc. <a href="http://web.archive.org/web/20090424105407/http://www.apple.com/itunes/store/podcaststechspecs.html" class="external free" title="http://www.apple.com/itunes/store/podcaststechspecs.html" rel="nofollow">http://www.apple.com/itunes/store/podcaststechspecs.html</a>. Retrieved on 2007-12-04.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Making+a+Podcast&rft.atitle=&rft.pub=Apple+Inc&rft_id=http%3A%2F%2Fwww.apple.com%2Fitunes%2Fstore%2Fpodcaststechspecs.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-5"><a href="#cite_ref-5" title="">^</a> <cite style="font-style:normal" class="" id="CITEREFQuain2004">Quain, John R. (2004-06-03). "<a href="http://web.archive.org/web/20090424105407/http://www.nytimes.com/ref/technology/circuits/03basi.html" class="external text" title="http://www.nytimes.com/ref/technology/circuits/03basi.html" rel="nofollow">Fine-Tuning Your Filter for Online Information</a>". New York Times. <a href="http://web.archive.org/web/20090424105407/http://www.nytimes.com/ref/technology/circuits/03basi.html" class="external free" title="http://www.nytimes.com/ref/technology/circuits/03basi.html" rel="nofollow">http://www.nytimes.com/ref/technology/circuits/03basi.html</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Fine-Tuning+Your+Filter+for+Online+Information&rft.jtitle=New+York+Times&rft.aulast=Quain&rft.aufirst=John+R.&rft.au=Quain%2C+John+R.&rft.date=2004-06-03&rft_id=http%3A%2F%2Fwww.nytimes.com%2Fref%2Ftechnology%2Fcircuits%2F03basi.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-6"><a href="#cite_ref-6" title="">^</a> <cite style="font-style:normal" class="" id="CITEREFTedeschi2006">Tedeschi, Bob (2006-01-29). "<a href="http://web.archive.org/web/20090424105407/http://travel2.nytimes.com/2006/01/29/travel/29prac.html" class="external text" title="http://travel2.nytimes.com/2006/01/29/travel/29prac.html" rel="nofollow">There's a Popular New Code for Deals: RSS</a>". New York Times. <a href="http://web.archive.org/web/20090424105407/http://travel2.nytimes.com/2006/01/29/travel/29prac.html" class="external free" title="http://travel2.nytimes.com/2006/01/29/travel/29prac.html" rel="nofollow">http://travel2.nytimes.com/2006/01/29/travel/29prac.html</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=There%27s+a+Popular+New+Code+for+Deals%3A+RSS&rft.jtitle=New+York+Times&rft.aulast=Tedeschi&rft.aufirst=Bob&rft.au=Tedeschi%2C+Bob&rft.date=2006-01-29&rft_id=http%3A%2F%2Ftravel2.nytimes.com%2F2006%2F01%2F29%2Ftravel%2F29prac.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-7"><a href="#cite_ref-7" title="">^</a> <cite style="font-style:normal" class="web"><a href="http://web.archive.org/web/20090424105407/http://blogs.law.harvard.edu/tech/rss#roadmap" class="external text" title="http://blogs.law.harvard.edu/tech/rss#roadmap" rel="nofollow">"RSS 2.0 Specification — Roadmap"</a>. <a href="http://web.archive.org/web/20090424105407/http://blogs.law.harvard.edu/tech/rss#roadmap" class="external free" title="http://blogs.law.harvard.edu/tech/rss#roadmap" rel="nofollow">http://blogs.law.harvard.edu/tech/rss#roadmap</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=RSS+2.0+Specification+%26mdash%3B+Roadmap&rft.atitle=&rft_id=http%3A%2F%2Fblogs.law.harvard.edu%2Ftech%2Frss%23roadmap&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-8"><a href="#cite_ref-8" title="">^</a> <cite style="font-style:normal" class="web" id="CITEREFRuby2003">Ruby, Sam (2003-06-16). <a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/blog/1472.html" class="external text" title="http://www.intertwingly.net/blog/1472.html" rel="nofollow">"Anatomy of a Well Formed Log Entry"</a>. <a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/blog/1472.html" class="external free" title="http://www.intertwingly.net/blog/1472.html" rel="nofollow">http://www.intertwingly.net/blog/1472.html</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Anatomy+of+a+Well+Formed+Log+Entry&rft.atitle=&rft.aulast=Ruby&rft.aufirst=Sam&rft.au=Ruby%2C+Sam&rft.date=2003-06-16&rft_id=http%3A%2F%2Fwww.intertwingly.net%2Fblog%2F1472.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-9"><a href="#cite_ref-9" title="">^</a> <cite style="font-style:normal" class="web" id="CITEREFBray2003">Bray, Tim (2003-06-23). <a href="http://web.archive.org/web/20090424105407/http://www.tbray.org/ongoing/When/200x/2003/06/23/SamsPie" class="external text" title="http://www.tbray.org/ongoing/When/200x/2003/06/23/SamsPie" rel="nofollow">"I Like Pie"</a>. <a href="http://web.archive.org/web/20090424105407/http://www.tbray.org/ongoing/When/200x/2003/06/23/SamsPie" class="external free" title="http://www.tbray.org/ongoing/When/200x/2003/06/23/SamsPie" rel="nofollow">http://www.tbray.org/ongoing/When/200x/2003/06/23/SamsPie</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=I+Like+Pie&rft.atitle=&rft.aulast=Bray&rft.aufirst=Tim&rft.au=Bray%2C+Tim&rft.date=2003-06-23&rft_id=http%3A%2F%2Fwww.tbray.org%2Fongoing%2FWhen%2F200x%2F2003%2F06%2F23%2FSamsPie&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-atom_roadmap-10">^ <a href="#cite_ref-atom_roadmap_10-0" title="">a</a> <a href="#cite_ref-atom_roadmap_10-1" title="">b</a> <cite style="font-style:normal" class="web"><a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/RoadMap" class="external text" title="http://www.intertwingly.net/wiki/pie/RoadMap" rel="nofollow">"Roadmap"</a>. Atom Wiki. <a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/RoadMap" class="external free" title="http://www.intertwingly.net/wiki/pie/RoadMap" rel="nofollow">http://www.intertwingly.net/wiki/pie/RoadMap</a>. Retrieved on 2007-12-04.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Roadmap&rft.atitle=Atom+Wiki&rft_id=http%3A%2F%2Fwww.intertwingly.net%2Fwiki%2Fpie%2FRoadMap&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-11"><a href="#cite_ref-11" title="">^</a> <cite style="font-style:normal" class="web"><a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/RoadMap#head-74b5d46318b48115b07ab1a2e77cb22df987c284" class="external text" title="http://www.intertwingly.net/wiki/pie/RoadMap#head-74b5d46318b48115b07ab1a2e77cb22df987c284" rel="nofollow">"Roadmap — Supporters"</a>. Atom Wiki. <a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/RoadMap#head-74b5d46318b48115b07ab1a2e77cb22df987c284" class="external free" title="http://www.intertwingly.net/wiki/pie/RoadMap#head-74b5d46318b48115b07ab1a2e77cb22df987c284" rel="nofollow">http://www.intertwingly.net/wiki/pie/RoadMap#head-74b5d46318b48115b07ab1a2e77cb22df987c284</a>. Retrieved on 2007-12-04.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Roadmap+%26mdash%3B+Supporters&rft.atitle=Atom+Wiki&rft_id=http%3A%2F%2Fwww.intertwingly.net%2Fwiki%2Fpie%2FRoadMap%23head-74b5d46318b48115b07ab1a2e77cb22df987c284&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-12"><a href="#cite_ref-12" title="">^</a> <cite style="font-style:normal" class="web" id="CITEREFWiner2003">Winer, Dave (2003-06-26). <a href="http://web.archive.org/web/20090424105407/http://backend.userland.com/2003/06/26" class="external text" title="http://backend.userland.com/2003/06/26" rel="nofollow">"Tentative endorsement of Echo"</a>. <a href="http://web.archive.org/web/20090424105407/http://backend.userland.com/2003/06/26" class="external free" title="http://backend.userland.com/2003/06/26" rel="nofollow">http://backend.userland.com/2003/06/26</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Tentative+endorsement+of+Echo&rft.atitle=&rft.aulast=Winer&rft.aufirst=Dave&rft.au=Winer%2C+Dave&rft.date=2003-06-26&rft_id=http%3A%2F%2Fbackend.userland.com%2F2003%2F06%2F26&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-13"><a href="#cite_ref-13" title="">^</a> <a href="http://web.archive.org/web/20090424105407/http://www.tbray.org/ongoing/When/200x/2003/08/18/PieSchema02" class="external text" title="http://www.tbray.org/ongoing/When/200x/2003/08/18/PieSchema02" rel="nofollow">Schemaware for PEAW 0.2</a></li> <li id="cite_note-14"><a href="#cite_ref-14" title="">^</a> <cite style="font-style:normal" class="web"><a href="http://web.archive.org/web/20090424105407/http://www.ietf.org/html.charters/atompub-charter.html" class="external text" title="http://www.ietf.org/html.charters/atompub-charter.html" rel="nofollow">"Atompub working group"</a>. <a href="http://web.archive.org/web/20090424105407/http://www.ietf.org/html.charters/atompub-charter.html" class="external free" title="http://www.ietf.org/html.charters/atompub-charter.html" rel="nofollow">http://www.ietf.org/html.charters/atompub-charter.html</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Atompub+working+group&rft.atitle=&rft_id=http%3A%2F%2Fwww.ietf.org%2Fhtml.charters%2Fatompub-charter.html&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> <li id="cite_note-15"><a href="#cite_ref-15" title="">^</a> <cite style="font-style:normal" class="web" id="CITEREFInternet_Engineering_Task_Force">Internet Engineering Task Force. <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/wg/atompub" class="external text" title="http://tools.ietf.org/wg/atompub" rel="nofollow">"Atompub Status Pages"</a>. <a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/wg/atompub" class="external free" title="http://tools.ietf.org/wg/atompub" rel="nofollow">http://tools.ietf.org/wg/atompub</a>. Retrieved on 2007-12-04.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Atompub+Status+Pages&rft.atitle=&rft.aulast=Internet+Engineering+Task+Force&rft.au=Internet+Engineering+Task+Force&rft_id=http%3A%2F%2Ftools.ietf.org%2Fwg%2Fatompub&rfr_id=info:sid/en.wikipedia.org:Atom_(standard)"> </li> </ol> </div> <a name="External_links" id="External_links"></a> <h2>[<a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Atom_(standard)&action=edit&section=16" title="Edit section: External links">edit</a>] External links</h2> Atom standard <ul> <li><a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc4287" class="external" title="http://tools.ietf.org/html/rfc4287">RFC 4287</a> – "The Atom Syndication Format"</li> <li><a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc5023" class="external" title="http://tools.ietf.org/html/rfc5023">RFC 5023</a> - "The Atom Publishing Protocol"</li> <li><a href="http://web.archive.org/web/20090424105407/http://atompub.org/rfc4287.html" class="external text" title="http://atompub.org/rfc4287.html" rel="nofollow">An HTML version of RFC 4287</a></li> <li><a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared" class="external text" title="http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared" rel="nofollow">Comparison of RSS and Atom Web Feed Formats</a></li> <li><a href="http://web.archive.org/web/20090424105407/http://www.xml.com/pub/a/2003/10/15/dive.html" class="external text" title="http://www.xml.com/pub/a/2003/10/15/dive.html" rel="nofollow">The Atom API</a> - Xml.com column by Mark Pilgrim</li> <li><a href="http://web.archive.org/web/20090424105407/http://www.ibm.com/developerworks/library/x-atompp1/" class="external text" title="http://www.ibm.com/developerworks/library/x-atompp1/" rel="nofollow">Getting to know the Atom Publishing Protocol</a> - IBM Developer Works article by James Snell</li> <li><a href="http://web.archive.org/web/20090424105407/http://dret.typepad.com/dretblog/atom-landscape.html" class="external text" title="http://dret.typepad.com/dretblog/atom-landscape.html" rel="nofollow">Atom Landscape Overview</a> - Overview of Atom-related IETF standards and drafts</li> </ul> Atom advocacy / evangelism <ul> <li><a href="http://web.archive.org/web/20090424105407/http://www.atomenabled.org/" class="external text" title="http://www.atomenabled.org/" rel="nofollow">AtomEnabled.org</a> - An unofficial website following the Atom project</li> <li><a href="http://web.archive.org/web/20090424105407/http://planetatom.net/" class="external text" title="http://planetatom.net" rel="nofollow">Planet Atom</a> - A fusion of atom-related news</li> <li><a href="http://web.archive.org/web/20090424105407/http://www.atomenabled.org/developers/syndication/" class="external text" title="http://www.atomenabled.org/developers/syndication/" rel="nofollow">Atom Syndication Format - Introduction</a> - Overview</li> </ul> Atom history & motivation <ul> <li><a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/blog/1472.html" class="external text" title="http://www.intertwingly.net/blog/1472.html" rel="nofollow">Anatomy of a Well Formed Log Entry</a> - the weblog post that started it all</li> <li><a href="http://web.archive.org/web/20090424105407/http://www.sixapart.com/log/2003/06/why_we_need_ech.shtml" class="external text" title="http://www.sixapart.com/log/2003/06/why_we_need_ech.shtml" rel="nofollow">Why we need Echo (June 2003)</a> - Motivation and goals of the Atom project</li> </ul> Atom working group links <ul> <li><a href="http://web.archive.org/web/20090424105407/http://www.intertwingly.net/wiki/pie/FrontPage" class="external text" title="http://www.intertwingly.net/wiki/pie/FrontPage" rel="nofollow">Atom Wiki</a> - The main place for work on Atom.</li> <li><a href="http://web.archive.org/web/20090424105407/http://www.imc.org/atom-protocol/index.html" class="external text" title="http://www.imc.org/atom-protocol/index.html" rel="nofollow">Atom Protocol Mailing List</a> - WG discussion of the publishing protocol</li> <li><a href="http://web.archive.org/web/20090424105407/http://www.imc.org/atom-syntax/index.html" class="external text" title="http://www.imc.org/atom-syntax/index.html" rel="nofollow">Atom Syntax Mailing List</a> - WG discussion of the syndication format</li> <li><a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/wg/atompub/" class="external text" title="http://tools.ietf.org/wg/atompub/" rel="nofollow">IETF Atom Publishing Format and Protocol working group (atompub)</a></li> </ul> Atom Extension Standards <ul> <li><a href="http://web.archive.org/web/20090424105407/http://www.iana.org/assignments/link-relations.html" class="external text" title="http://www.iana.org/assignments/link-relations.html" rel="nofollow">IANA Registry of Link-Relations</a> - Official registry of atom:link element "rel" attribute values</li> <li><a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc4685" class="external text" title="http://tools.ietf.org/html/rfc4685" rel="nofollow">RFC 4685</a> - Atom Threading Extensions</li> <li><a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc4946" class="external text" title="http://tools.ietf.org/html/rfc4946" rel="nofollow">RFC 4946</a> - Atom License Extension</li> <li><a href="http://web.archive.org/web/20090424105407/http://tools.ietf.org/html/rfc5005" class="external text" title="http://tools.ietf.org/html/rfc5005" rel="nofollow">RFC 5005</a> - Feed Paging and Archiving</li> <li><a href="http://web.archive.org/web/20090424105407/http://microformats.org/wiki/hatom" class="external text" title="http://microformats.org/wiki/hatom" rel="nofollow">hAtom</a> - a <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Microformat" title="Microformat">microformat</a> for marking up standard <a href="/web/20090424105407/http://en.wikipedia.org/wiki/HTML" title="HTML">HTML</a> such that an Atom feed can be derived from it.</li> </ul> <table class="navbox" cellspacing="0" style=";"> <tr> <td style="padding:2px;"> <table cellspacing="0" class="nowraplinks collapsible autocollapse" style="width:100%;background:transparent;color:inherit;;"> <tr> <th style=";" colspan="2" class="navbox-title"> <div style="float:left; width:6em;text-align:left;"> <div class="noprint plainlinksneverexpand navbar" style="background:none; padding:0; font-weight:normal;;;border:none;; font-size:xx-small;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Template:Aggregators" title="Template:Aggregators">v</a> • <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Template_talk:Aggregators" title="Template talk:Aggregators">d</a> • <a href="http://web.archive.org/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Template:Aggregators&action=edit" class="external text" title="http://en.wikipedia.org/w/index.php?title=Template:Aggregators&action=edit" rel="nofollow">e</a></div> </div> <a href="/web/20090424105407/http://en.wikipedia.org/wiki/File:Feed-icon.svg" class="image" title="Feed-icon.svg"><img alt="" src="http://web.archive.org/web/20090424105407im_/http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Feed-icon.svg/16px-Feed-icon.svg.png" width="16" height="16" border="0"/></a> <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Aggregator" title="Aggregator">Aggregators</a></th> </tr> <tr style="height:2px;"> <td></td> </tr> <tr> <td class="navbox-group" style=";;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Client_(computing)" title="Client (computing)">Client software</a></td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Akregator" title="Akregator" class="mw-redirect">Akregator</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/AOL_Explorer" title="AOL Explorer">AOL Explorer</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Avant_Browser" title="Avant Browser">Avant Browser</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Blam!" title="Blam!">Blam!</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/BlogBridge" title="BlogBridge">BlogBridge</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/BottomFeeder" title="BottomFeeder">BottomFeeder</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Camino" title="Camino">Camino</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Canto_(news_aggregator)" title="Canto (news aggregator)">Canto</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Claws_Mail" title="Claws Mail">Claws Mail</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Cooliris_(plugin)" title="Cooliris (plugin)">Cooliris</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Epiphany_(browser)" title="Epiphany (browser)">Epiphany</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Esobi" title="Esobi">eSobi</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/FeedDemon" title="FeedDemon">FeedDemon</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Feedreader_(Windows_Application)" title="Feedreader (Windows Application)">Feedreader</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Feedview" title="Feedview">Feedview</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Flock_(web_browser)" title="Flock (web browser)">Flock</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/FreeRange_WebReader" title="FreeRange WebReader">FreeRange WebReader</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Gnus" title="Gnus">Gnus</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Hubdog" title="Hubdog">Hubdog</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/IBM_Lotus_Notes" title="IBM Lotus Notes">IBM Lotus Notes</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/ICab" title="ICab">iCab</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Internet_Explorer" title="Internet Explorer">Internet Explorer</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/K-Meleon" title="K-Meleon">K-Meleon</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Kazehakase" title="Kazehakase">Kazehakase</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Liferea" title="Liferea">Liferea</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mail_(application)" title="Mail (application)">Mail</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Maxthon" title="Maxthon">Maxthon</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/MDigger" title="MDigger">mDigger</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mercury_Messenger" title="Mercury Messenger">Mercury Messenger</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Microsoft_Outlook" title="Microsoft Outlook">Microsoft Outlook</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mindity" title="Mindity">Mindity</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mozilla_Firefox" title="Mozilla Firefox">Mozilla Firefox</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mozilla_Thunderbird" title="Mozilla Thunderbird">Mozilla Thunderbird</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NetNewsWire" title="NetNewsWire">NetNewsWire</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Netscape_Browser" title="Netscape Browser">Netscape Browser</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Netscape_Messenger_9" title="Netscape Messenger 9">Netscape Messenger 9</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Netscape_Navigator_9" title="Netscape Navigator 9">Netscape Navigator 9</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsAccess" title="NewsAccess">NewsAccess</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsBreak" title="NewsBreak">NewsBreak</a>  · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Newsbeuter" title="Newsbeuter">Newsbeuter</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsFire" title="NewsFire">NewsFire</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsFox" title="NewsFox">NewsFox</a> · <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Omea&action=edit&redlink=1" class="new" title="Omea (page does not exist)">Omea</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/OmniWeb" title="OmniWeb">OmniWeb</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Opera_Mail" title="Opera Mail">Opera Mail</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Pegasus_Mail" title="Pegasus Mail">Pegasus Mail</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_Bandit" title="RSS Bandit">RSS Bandit</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSSOwl" title="RSSOwl">RSSOwl</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Safari_(web_browser)" title="Safari (web browser)">Safari</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Sage_(Mozilla_Firefox_extension)" title="Sage (Mozilla Firefox extension)">Sage</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/SeaMonkey" title="SeaMonkey">SeaMonkey</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Shiira" title="Shiira">Shiira</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Sleipnir_(software)" title="Sleipnir (software)">Sleipnir</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Snarfer" title="Snarfer">Snarfer</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Tencent_Traveler" title="Tencent Traveler">Tencent Traveler</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/The_Bat!" title="The Bat!">The Bat!</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Thinfeeder" title="Thinfeeder">Thinfeeder</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Vienna_(feed_reader)" title="Vienna (feed reader)">Vienna</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Windows_Live_Mail" title="Windows Live Mail">Windows Live Mail</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Zimbra" title="Zimbra">Zimbra</a></div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_application" title="Web application">Web-based</a> software</td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/AideRSS" title="AideRSS">aideRSS</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/AmphetaDesk" title="AmphetaDesk">AmphetaDesk</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Bloglines" title="Bloglines">Bloglines</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Cheetah_News" title="Cheetah News">Cheetah News</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Daylife" title="Daylife">Daylife</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Drupal" title="Drupal">Drupal</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Fastladder" title="Fastladder">Fastladder</a> · <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Feedzilla&action=edit&redlink=1" class="new" title="Feedzilla (page does not exist)">Feedzilla</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Google_News" title="Google News">Google News</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Google_Reader" title="Google Reader">Google Reader</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/IGoogle" title="IGoogle">iGoogle</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Imooty.eu" title="Imooty.eu">Imooty.eu</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Live.com" title="Live.com" class="mw-redirect">Live.com</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/MDigger" title="MDigger">mDigger</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Newsknowledge" title="Newsknowledge">Newsknowledge</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Netvibes" title="Netvibes">Netvibes</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Pageflakes" title="Pageflakes">Pageflakes</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Planet_(software)" title="Planet (software)">Planet</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Rojo.com" title="Rojo.com">Rojo.com</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Spokeo" title="Spokeo">Spokeo</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Yahoo!" title="Yahoo!">Yahoo!</a></div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Aggregator#Media_aggregators" title="Aggregator">Media aggregators</a></td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Adobe_Media_Player" title="Adobe Media Player">Adobe Media Player</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Akregator" title="Akregator" class="mw-redirect">Akregator</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Amarok_(software)" title="Amarok (software)">Amarok</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Canola_(software)" title="Canola (software)">Canola</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Flock_(web_browser)" title="Flock (web browser)">Flock</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/ITunes" title="ITunes">iTunes</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Juice_(aggregator)" title="Juice (aggregator)">Juice</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mediafly" title="Mediafly">Mediafly</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/MediaMonkey" title="MediaMonkey">MediaMonkey</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Miro_(software)" title="Miro (software)">Miro</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Rhythmbox" title="Rhythmbox">Rhythmbox</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Songbird_(software)" title="Songbird (software)">Songbird</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Winamp" title="Winamp">Winamp</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Zune" title="Zune">Zune</a></div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Broadcatching" title="Broadcatching">RSS+BitTorrent aggregators</a></td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/BitLord" title="BitLord">BitLord</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/BitTorrent_(software)" title="BitTorrent (software)">BitTorrent 6</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Deluge_(software)" title="Deluge (software)">Deluge</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/G3_Torrent" title="G3 Torrent">G3 Torrent</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Miro_(software)" title="Miro (software)">Miro</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/QBittorrent" title="QBittorrent">qBittorrent</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Rufus_(BitTorrent_client)" title="Rufus (BitTorrent client)">Rufus</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Torrent_Swapper" title="Torrent Swapper">Torrent Swapper</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/TorrentFlux" title="TorrentFlux">TorrentFlux</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Tribler" title="Tribler">Tribler</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/%CE%9CTorrent" title="ΜTorrent">μTorrent</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Vuze" title="Vuze">Vuze</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/ZipTorrent" title="ZipTorrent">ZipTorrent</a></div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;">Related articles</td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Comparison_of_feed_aggregators" title="Comparison of feed aggregators">Comparison of feed aggregators</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/List_of_feed_aggregators" title="List of feed aggregators" class="mw-redirect">List of feed aggregators</a></div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;">Technologies</td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Feed_URI_scheme" title="Feed URI scheme">feed URI scheme</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS" title="RSS">RSS</a> (<a href="/web/20090424105407/http://en.wikipedia.org/wiki/Media_RSS" title="Media RSS">MRSS</a> & <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_enclosure" title="RSS enclosure">enclosure</a> & <a href="/web/20090424105407/http://en.wikipedia.org/wiki/GeoRSS" title="GeoRSS">GeoRSS</a>) · Atom · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Podcast" title="Podcast">Podcasting</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Broadcatching" title="Broadcatching">Broadcatching</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Livemark" title="Livemark">Livemark</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsML" title="NewsML">NewsML</a> (<a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsML_1" title="NewsML 1">1</a> & <a href="/web/20090424105407/http://en.wikipedia.org/wiki/NewsML-G2" title="NewsML-G2">G2</a>) · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/FeedSync" title="FeedSync">FeedSync</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Geotagging" title="Geotagging">Geotagging</a></div> </td> </tr> </table> </td> </tr> </table> <table class="navbox" cellspacing="0" style=";"> <tr> <td style="padding:2px;"> <table cellspacing="0" class="nowraplinks collapsible autocollapse" style="width:100%;background:transparent;color:inherit;;"> <tr> <th style=";" colspan="2" class="navbox-title"> <div style="float:left; width:6em;text-align:left;"> <div class="noprint plainlinksneverexpand navbar" style="background:none; padding:0; font-weight:normal;;;border:none;; font-size:xx-small;"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Template:Podcasting" title="Template:Podcasting">v</a> • <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Template_talk:Podcasting" title="Template talk:Podcasting">d</a> • <a href="http://web.archive.org/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Template:Podcasting&action=edit" class="external text" title="http://en.wikipedia.org/w/index.php?title=Template:Podcasting&action=edit" rel="nofollow">e</a></div> </div> <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Podcast" title="Podcast">Podcasting</a></th> </tr> <tr style="height:2px;"> <td></td> </tr> <tr> <td class="navbox-group" style=";;">Types</td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Category:Audio_podcasts" title="Category:Audio podcasts">Audio</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Enhanced_podcast" title="Enhanced podcast">Enhanced</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Mobilecast" title="Mobilecast">Mobilecast</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Narrowcasting" title="Narrowcasting">Narrowcasting</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Peercasting" title="Peercasting">Peercasting</a>  · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Photofeed" title="Photofeed">Photofeed</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Video_podcast" title="Video podcast">Video</a> (<a href="/web/20090424105407/http://en.wikipedia.org/wiki/Slidecasting" title="Slidecasting">Slidecasting</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Screencast" title="Screencast">Screencast</a>)</div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;">Technologies</td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"> <div style="padding:0em 0.25em">Atom · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Broadcatching" title="Broadcatching">Broadcatching</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/GeoRSS" title="GeoRSS">GeoRSS</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Media_RSS" title="Media RSS">Media RSS</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/MP3" title="MP3">MP3</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Push_technology" title="Push technology">Push technology</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS" title="RSS">RSS</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/RSS_enclosure" title="RSS enclosure">RSS enclosure</a></div> </td> </tr> <tr style="height:2px"> <td></td> </tr> <tr> <td class="navbox-group" style=";;">Related articles</td> <td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"> <div style="padding:0em 0.25em"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Aggregator" title="Aggregator">Aggregator</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/History_of_podcasting" title="History of podcasting">History of podcasting</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Category:Podcasting_companies" title="Category:Podcasting companies">Podcasting companies</a> · <a href="/web/20090424105407/http://en.wikipedia.org/w/index.php?title=Social_podcasting&action=edit&redlink=1" class="new" title="Social podcasting (page does not exist)">Social podcasting</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Uses_of_podcasting" title="Uses of podcasting">Uses of podcasting</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Comparison_of_feed_aggregators" title="Comparison of feed aggregators">Comparison of feed aggregators</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/List_of_feed_aggregators" title="List of feed aggregators" class="mw-redirect">List of feed aggregators</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_feed" title="Web feed">Web feed</a> · <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Web_syndication" title="Web syndication">Web syndication</a></div> </td> </tr> </table> </td> </tr> </table>   <div class="printfooter"> Retrieved from "<a href="http://web.archive.org/web/20090424105407/http://en.wikipedia.org/wiki/Atom_(standard)">http://en.wikipedia.org/wiki/Atom_(standard)</a>"</div> <div id="catlinks" class="catlinks"><div id="mw-normal-catlinks"><a href="/web/20090424105407/http://en.wikipedia.org/wiki/Special:Categories" title="Special:Categories">Categories</a>: <a href="/web/20090424105407/http://en.wikipedia.org/wiki/Category:XML-based_standards" 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