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class="vector-toc-numb">2</span> <span>Backward audio messages</span> </div> </a> <button aria-controls="toc-Backward_audio_messages-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Backward audio messages subsection</span> </button> <ul id="toc-Backward_audio_messages-sublist" class="vector-toc-list"> <li id="toc-Backmasking" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Backmasking"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Backmasking</span> </div> </a> <ul id="toc-Backmasking-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Phonetic_reversal" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Phonetic_reversal"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Phonetic reversal</span> </div> </a> <ul id="toc-Phonetic_reversal-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Visual_messages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Visual_messages"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Visual messages</span> </div> </a> <ul id="toc-Visual_messages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Hidden message</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 4 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-4" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">4 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D8%B3%D8%A7%D9%84%D8%A9_%D8%AE%D9%81%D9%8A%D8%A9" title="رسالة خفية – Arabic" lang="ar" hreflang="ar" data-title="رسالة خفية" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/R%C3%BCckw%C3%A4rtsbotschaft" title="Rückwärtsbotschaft – German" lang="de" hreflang="de" data-title="Rückwärtsbotschaft" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Message_%C3%A0_l%27envers" title="Message à l'envers – French" lang="fr" hreflang="fr" data-title="Message à l'envers" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Skrito_sporo%C4%8Dilo" title="Skrito sporočilo – Slovenian" lang="sl" hreflang="sl" data-title="Skrito sporočilo" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q16252144#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Hidden_message" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Hidden_message" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Hidden_message"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Hidden_message&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Hidden_message&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Hidden_message"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Hidden_message&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Hidden_message&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Hidden_message" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Hidden_message" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Hidden_message&oldid=1257524752" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Hidden_message&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Hidden_message&id=1257524752&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHidden_message"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHidden_message"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Hidden_message&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Hidden_message&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Secret_messages" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q16252144" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Information that is not noticeable</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about coded text. For text the same color as the background, see <a href="/wiki/Hidden_text" title="Hidden text">Hidden text</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><style data-mw-deduplicate="TemplateStyles:r1248332772">.mw-parser-output .multiple-issues-text{width:95%;margin:0.2em 0}.mw-parser-output .multiple-issues-text>.mw-collapsible-content{margin-top:0.3em}.mw-parser-output .compact-ambox .ambox{border:none;border-collapse:collapse;background-color:transparent;margin:0 0 0 1.6em!important;padding:0!important;width:auto;display:block}body.mediawiki .mw-parser-output .compact-ambox .ambox.mbox-small-left{font-size:100%;width:auto;margin:0}.mw-parser-output .compact-ambox .ambox .mbox-text{padding:0!important;margin:0!important}.mw-parser-output .compact-ambox .ambox .mbox-text-span{display:list-item;line-height:1.5em;list-style-type:disc}body.skin-minerva .mw-parser-output .multiple-issues-text>.mw-collapsible-toggle,.mw-parser-output .compact-ambox .ambox .mbox-image,.mw-parser-output .compact-ambox .ambox .mbox-imageright,.mw-parser-output .compact-ambox .ambox .mbox-empty-cell,.mw-parser-output .compact-ambox .hide-when-compact{display:none}</style><table class="box-Multiple_issues plainlinks metadata ambox ambox-content ambox-multiple_issues compact-ambox" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/40px-Ambox_important.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/60px-Ambox_important.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/80px-Ambox_important.svg.png 2x" data-file-width="40" data-file-height="40" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span"><div class="multiple-issues-text mw-collapsible"><b>This article has multiple issues.</b> Please help <b><a href="/wiki/Special:EditPage/Hidden_message" title="Special:EditPage/Hidden message">improve it</a></b> or discuss these issues on the <b><a href="/wiki/Talk:Hidden_message" title="Talk:Hidden message">talk page</a></b>. <small><i>(<a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove these messages</a>)</i></small> <div class="mw-collapsible-content"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Hidden_message" title="Special:EditPage/Hidden message">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Hidden+message%22">"Hidden message"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Hidden+message%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Hidden+message%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Hidden+message%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Hidden+message%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Hidden+message%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">February 2009</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Broaden plainlinks metadata ambox ambox-content ambox-broaden" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/40px-Ambox_important.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/60px-Ambox_important.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/80px-Ambox_important.svg.png 2x" data-file-width="40" data-file-height="40" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span">The examples and perspective in this article <b>may not represent a <a href="/wiki/Wikipedia:WikiProject_Countering_systemic_bias" title="Wikipedia:WikiProject Countering systemic bias">full view</a> of the subject</b>.<span class="hide-when-compact"> Please <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Hidden_message&action=edit">improve this article</a> and discuss the issue on the <a href="/wiki/Talk:Hidden_message" title="Talk:Hidden message">talk page</a>.</span> <span class="date-container"><i>(<span class="date">October 2016</span>)</i></span></div></td></tr></tbody></table> </div> </div><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>A <b>hidden message</b> is information that is not immediately noticeable, and that must be discovered or uncovered and interpreted before it can be known. Hidden messages include backwards audio messages, hidden visual messages and symbolic or <a href="https://en.wiktionary.org/wiki/cryptic" class="extiw" title="wikt:cryptic">cryptic</a> codes such as a <a href="/wiki/Cryptic_crossword" title="Cryptic crossword">crossword</a> or <a href="/wiki/Encryption" title="Encryption">cipher</a>. Although there are many legitimate examples of hidden messages created with techniques such as <a href="/wiki/Backmasking" title="Backmasking">backmasking</a> and <a href="/wiki/Steganography" title="Steganography">steganography</a>, many so-called hidden messages are merely <a href="/wiki/Pareidolia" title="Pareidolia">fanciful imaginings</a> or <a href="/wiki/Apophany" class="mw-redirect" title="Apophany">apophany</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=1" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The information in hidden messages is not immediately noticeable; it must be discovered or uncovered, and interpreted before it can be known. Hidden messages include <a href="/wiki/Backmasking" title="Backmasking">backwards audio messages</a>, hidden visual messages, and <a href="/wiki/Symbol" title="Symbol">symbolic</a> or <a href="https://en.wiktionary.org/wiki/cryptic" class="extiw" title="wikt:cryptic">cryptic</a> <a href="/wiki/Code" title="Code">codes</a> such as a <a href="/wiki/Cryptic_crossword" title="Cryptic crossword">crossword</a> or <a href="/wiki/Encryption" title="Encryption">cipher</a>. There are many legitimate examples of hidden messages, though many are imaginings. </p> <div class="mw-heading mw-heading2"><h2 id="Backward_audio_messages">Backward audio messages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=2" title="Edit section: Backward audio messages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A backward message in an audio recording is only fully apparent when the recording is played reversed. Some backward messages are produced by deliberate <a href="/wiki/Backmasking" title="Backmasking">backmasking</a>, while others are simply <a href="/wiki/Phonetic_reversal" title="Phonetic reversal">phonetic reversals</a> resulting from random combinations of words. Backward messages may occur in various mediums, including music, <a href="/wiki/Video_game" title="Video game">video games</a>, <a href="/wiki/Music_video" title="Music video">music videos</a>, <a href="/wiki/Movies" class="mw-redirect" title="Movies">movies</a>, and <a href="/wiki/Television_show" title="Television show">television shows</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Backmasking">Backmasking</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=3" title="Edit section: Backmasking"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Backmasking" title="Backmasking">Backmasking</a></div> <p>Backmasking is a <a href="/wiki/Sound_recording_and_reproduction" title="Sound recording and reproduction">recording</a> technique in which a message is recorded backwards onto a track that is meant to be played forwards. It was popularized by <a href="/wiki/The_Beatles" title="The Beatles">The Beatles</a>, who used backward vocals and instrumentation on their 1966 album <i><a href="/wiki/Revolver_(Beatles_album)" title="Revolver (Beatles album)">Revolver</a>.</i> The technique has also been used to censor words or phrases for "clean" releases of songs<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2008)">citation needed</span></a></i>]</sup>. </p><p>Backmasking has been a controversial topic in the United States since the 1980s, when allegations of its use for Satanic purposes were made against prominent <a href="/wiki/Rock_music" title="Rock music">rock musicians</a>, leading to <a href="/wiki/Book_burning" title="Book burning">record-burnings</a> and proposed anti-backmasking legislation by state and federal governments. In debate are both the existence of backmasked Satanic messages and their purported ability to subliminally affect listeners.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (October 2016)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Phonetic_reversal">Phonetic reversal</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=4" title="Edit section: Phonetic reversal"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Phonetic_reversal" title="Phonetic reversal">Phonetic reversal</a></div> <p>Certain phrases produce a different phrase when their <a href="/wiki/Phoneme" title="Phoneme">phonemes</a> are reversed—a process known as phonetic reversal. For example, "Kiss" backwards sounds like "sick", and so the title of <a href="/wiki/Yoko_Ono" title="Yoko Ono">Yoko Ono</a>'s "<a href="/wiki/Kiss_Kiss_Kiss_(Yoko_Ono_song)" title="Kiss Kiss Kiss (Yoko Ono song)">Kiss Kiss Kiss</a>" sounds like "Sick Sick Sick" or "Six Six Six" backwards. <a href="/wiki/Queen_(band)" title="Queen (band)">Queen</a>'s "<a href="/wiki/Another_One_Bites_the_Dust" title="Another One Bites the Dust">Another One Bites the Dust</a>"<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> backwards was claimed that the chorus, when played in reverse, can be heard as "It's fun to smoke marijuana"<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> or "start to smoke marijuana".<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Paul_is_dead" title="Paul is dead">Paul is dead</a> phenomenon was started in part because a phonetic reversal of "Number nine" (the words were constantly repeated in <i><a href="/wiki/Revolution_9" title="Revolution 9">Revolution 9</a>)</i> was interpreted as "Turn me on, dead man". </p><p>According to proponents of <a href="/wiki/Reverse_speech" title="Reverse speech">reverse speech</a>, phonetic reversal occurs unknowingly during normal speech. </p> <div class="mw-heading mw-heading2"><h2 id="Visual_messages">Visual messages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=5" title="Edit section: Visual messages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Hidden_message_AI_illusion.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Hidden_message_AI_illusion.png/220px-Hidden_message_AI_illusion.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Hidden_message_AI_illusion.png/330px-Hidden_message_AI_illusion.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/Hidden_message_AI_illusion.png/440px-Hidden_message_AI_illusion.png 2x" data-file-width="1024" data-file-height="1024" /></a><figcaption>The word "FAKE" hidden within an AI-generated image of a naval battle</figcaption></figure> <p>Hidden messages can be created in visual mediums with techniques such as <a href="/wiki/Hidden_text" title="Hidden text">hidden computer text</a> and <a href="/wiki/Steganography" title="Steganography">steganography</a>. </p><p>In the 1980s, Coca-Cola released in South Australia an advertising poster featuring the reintroduced contour bottle, with a speech bubble, "Feel the Curves!!" An image hidden inside one of the ice cubes depicted an oral sex act.<sup id="cite_ref-snopes_4-0" class="reference"><a href="#cite_note-snopes-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Thousands of posters were distributed to hotels and bottle shops in Australia before the mistake was discovered by Coca-Cola management. The artist of the poster was fired and all the posters were recalled.<sup id="cite_ref-snopes_4-1" class="reference"><a href="#cite_note-snopes-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Rival <a href="/wiki/PepsiCo" title="PepsiCo">PepsiCo</a> had a similar accusation in 1990 when their promotional <a href="/wiki/Pepsi_Cool_Cans" title="Pepsi Cool Cans">Pepsi Cool Cans</a> was accused of having the word "sex" hidden in their design if two of their cans were placed atop each other.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Various other messages have been claimed to exist in Disney movies, some of them risque, such as the well-known allegation of an erection showing on a priest in <i><a href="/wiki/The_Little_Mermaid_(1989_film)" title="The Little Mermaid (1989 film)">The Little Mermaid</a></i>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> According to the Snopes website, one image "is clearly true [and] undeniably purposely inserted into the movie": a topless woman in two frames of <i><a href="/wiki/The_Rescuers" title="The Rescuers">The Rescuers</a></i>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/PETA" class="mw-redirect" title="PETA">PETA</a> (People for the Ethical Treatment of Animals) had an antipathy towards <a href="/wiki/PETCO" class="mw-redirect" title="PETCO">PETCO</a>, a pet food retailer in San Diego, regarding the purported mistreatment of live animals at their stores. When the <a href="/wiki/San_Diego_Padres" title="San Diego Padres">San Diego Padres</a> baseball team announced that the retailer had purchased <a href="/wiki/Naming_rights" title="Naming rights">naming rights</a> to <a href="/wiki/Petco_Park" title="Petco Park">Petco Park</a>, PETA was unable to persuade the sports team to terminate the agreement. Later, PETA successfully purchased a commemorative display brick with what appears to be a complimentary message: "Break Open Your Cold Ones! Toast The Padres! Enjoy This Championship Organization!" However, if one takes the first letters of each word, the resulting <a href="/wiki/Acrostic" title="Acrostic">acrostic</a> reads "BOYCOTT PETCO". Neither PETCO nor the Padres have taken any action to remove the brick, stating that if someone walked by, they would not know it had anything to do with the PETA/PETCO feud.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Secretive design language is widely used on web sites as <a href="/wiki/Easter_egg_(media)" title="Easter egg (media)">Easter eggs</a> within products as hidden features, such as <a href="/wiki/In-N-Out_Burger" title="In-N-Out Burger">In-N-Out Burger</a>'s secret menu or the new <a href="/wiki/Norwegian_passport" title="Norwegian passport">Norwegian passport</a> design for security.<sup id="cite_ref-Mashable_Business_9-0" class="reference"><a href="#cite_note-Mashable_Business-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Apophenia" title="Apophenia">Apophenia</a></li> <li><a href="/wiki/Pareidolia" title="Pareidolia">Pareidolia</a></li> <li><a href="/wiki/Synchronicity" title="Synchronicity">Synchronicity</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-:0-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFBickel2017" class="citation web cs1">Bickel, Christopher (January 20, 2017). <a rel="nofollow" class="external text" href="http://dangerousminds.net/comments/its_fun_to_smoke_dust_satanic_panic_preacher_gets_mashed-up_with_queen">"It's Fun To Smoke Dust! Satanic Panic Preacher Gets Mashed-Up With Queen"</a>. Dangerous Minds<span class="reference-accessdate">. Retrieved <span class="nowrap">May 1,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=It%27s+Fun+To+Smoke+Dust%21+Satanic+Panic+Preacher+Gets+Mashed-Up+With+Queen&rft.pub=Dangerous+Minds&rft.date=2017-01-20&rft.aulast=Bickel&rft.aufirst=Christopher&rft_id=http%3A%2F%2Fdangerousminds.net%2Fcomments%2Fits_fun_to_smoke_dust_satanic_panic_preacher_gets_mashed-up_with_queen&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHidden+message" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEpleyKeysarVan_BovenGilovich2004" class="citation journal cs1">Epley, N.; Keysar, B.; Van Boven, L.; Gilovich, T. (2004). "Perspective Taking as Egocentric Anchoring and Adjustment". <i>Journal of Personality and Social Psychology</i>. <b>87</b> (3): 327–339. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1037%2F0022-3514.87.3.327">10.1037/0022-3514.87.3.327</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/15382983">15382983</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:18087684">18087684</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Personality+and+Social+Psychology&rft.atitle=Perspective+Taking+as+Egocentric+Anchoring+and+Adjustment&rft.volume=87&rft.issue=3&rft.pages=327-339&rft.date=2004&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A18087684%23id-name%3DS2CID&rft_id=info%3Apmid%2F15382983&rft_id=info%3Adoi%2F10.1037%2F0022-3514.87.3.327&rft.aulast=Epley&rft.aufirst=N.&rft.au=Keysar%2C+B.&rft.au=Van+Boven%2C+L.&rft.au=Gilovich%2C+T.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHidden+message" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGoldstuck1991" class="citation book cs1">Goldstuck, Arthur (1991). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=3ZTfAAAAMAAJ"><i>The Rabbit in the Thorn Tree: Modern Myths and Urban Legends of South Africa</i></a>. Penguin Group. p. 87. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0140148078" title="Special:BookSources/0140148078"><bdi>0140148078</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Rabbit+in+the+Thorn+Tree%3A+Modern+Myths+and+Urban+Legends+of+South+Africa&rft.pages=87&rft.pub=Penguin+Group&rft.date=1991&rft.isbn=0140148078&rft.aulast=Goldstuck&rft.aufirst=Arthur&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D3ZTfAAAAMAAJ&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHidden+message" class="Z3988"></span></span> </li> <li id="cite_note-snopes-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-snopes_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-snopes_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.snopes.com/cokelore/poster.asp">"Risque Coca-Cola Poster"</a>. Snopes. 14 May 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">31 May</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Risque+Coca-Cola+Poster&rft.pub=Snopes&rft.date=2011-05-14&rft_id=http%3A%2F%2Fwww.snopes.com%2Fcokelore%2Fposter.asp&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHidden+message" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://buffalonews.com/1990/07/12/sex-seen-on-pepsi-cans/">"<span class="cs1-kern-left"></span>'Sex' Seen on Pepsi Cans"</a>. 12 July 1990.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=%27Sex%27+Seen+on+Pepsi+Cans&rft.date=1990-07-12&rft_id=https%3A%2F%2Fbuffalonews.com%2F1990%2F07%2F12%2Fsex-seen-on-pepsi-cans%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHidden+message" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.snopes.com/disney/films/films.asp">Urban Legends Reference Pages: Disney (Disney Films)</a><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged August 2024">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.snopes.com/disney/films/rescuers.htm">'The Rescuers' Topless Scene : snopes.com</a></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.espn.com/espn/sportsbusiness/news/story?id=1783769">Rovell, Darren "Secret Message Makes it Into New Park" ESPN.com 4/16/2004</a></span> </li> <li id="cite_note-Mashable_Business-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-Mashable_Business_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://mashable.com/2015/08/06/hidden-subliminal-design/#YHFRACfubaqc">"How subliminal and hidden design messages can boost brand engagement"</a>. Mashable. 5 August 2015<span class="reference-accessdate">. Retrieved <span class="nowrap">21 May</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=How+subliminal+and+hidden+design+messages+can+boost+brand+engagement&rft.pub=Mashable&rft.date=2015-08-05&rft_id=https%3A%2F%2Fmashable.com%2F2015%2F08%2F06%2Fhidden-subliminal-design%2F%23YHFRACfubaqc&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHidden+message" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hidden_message&action=edit&section=8" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20060821143244/http://www.triplo.com/ev/reversal/">Audio Reversal in Popular Culture</a> — explanation of backmasking and phonetic reversals</li> <li><a rel="nofollow" class="external text" href="https://www.shoosh.io/">SHOOSH An easy tool to make an hidden message</a> — visual messages can be hidden in images.</li> <li><a rel="nofollow" class="external text" href="https://mashable.com/2015/08/06/hidden-subliminal-design/#YHFRACfubaqc">Hidden subliminal design</a></li> <li><a rel="nofollow" class="external text" href="https://secretmessagelink.com">secret message link</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output 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a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Hidden_messages" title="Template:Hidden messages"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Hidden_messages" title="Template talk:Hidden messages"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Hidden_messages" title="Special:EditPage/Template:Hidden messages"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Hidden_messages" style="font-size:114%;margin:0 4em"><a class="mw-selflink selflink">Hidden messages</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Main</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Subliminal_stimuli" title="Subliminal stimuli">Subliminal message</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Audio</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Backmasking" title="Backmasking">Backmasking</a> <ul><li><a href="/wiki/List_of_backmasked_messages" title="List of backmasked messages">list</a></li></ul></li> <li><a href="/wiki/Hidden_track" title="Hidden track">Hidden track</a> <ul><li><a href="/wiki/List_of_albums_containing_a_hidden_track" title="List of albums containing a hidden track">list</a></li> <li><a href="/wiki/List_of_albums_with_tracks_hidden_in_the_pregap" title="List of albums with tracks hidden in the pregap">pregap list</a></li></ul></li> <li><a href="/wiki/Phonetic_reversal" title="Phonetic reversal">Phonetic reversal</a></li> <li><a href="/wiki/Reverse_speech" title="Reverse speech">Reverse speech</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Numeric</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chronogram" title="Chronogram">Chronogram</a></li> <li><a href="/wiki/Numerology" title="Numerology">Numerology</a></li> <li><a href="/wiki/Theomatics" title="Theomatics">Theomatics</a></li> <li><a href="/wiki/Bible_code" title="Bible code">Bible code</a></li> <li><a href="/wiki/Cryptography" title="Cryptography">Cryptology</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Visual</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fnord" title="Fnord">Fnord</a></li> <li><a href="/wiki/Hidden_text" title="Hidden text">Hidden text</a></li> <li><a href="/wiki/Paranoiac-critical_method" title="Paranoiac-critical method">Paranoiac-critical method</a></li> <li><a href="/wiki/Pareidolia" title="Pareidolia">Pareidolia</a></li> <li><a href="/wiki/Psychorama" title="Psychorama">Psychorama</a></li> <li><a href="/wiki/Sacred_geometry" title="Sacred geometry">Sacred geometry</a></li> <li><a href="/wiki/Steganography" title="Steganography">Steganography</a></li> <li><a href="/wiki/Visual_cryptography" title="Visual cryptography">Visual cryptography</a></li></ul> </div></td></tr><tr><th 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