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id="mf-section-0"> <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">"The H" redirects here. For the Latin character, see <a href="/wiki/H" title="H">H</a>. For other uses, see <a href="/wiki/H_(disambiguation)" class="mw-disambig" title="H (disambiguation)">H (disambiguation)</a>.</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1242257876">.mw-parser-output .ib-company .infobox-label{padding-right:0.5em}.mw-parser-output .ib-company .infobox-data,.mw-parser-output .ib-company .infobox-below{line-height:1.35em}.mw-parser-output .ib-company-logo img{background-color:#f8f9fa}.mw-parser-output .ib-company-locality,.mw-parser-output .ib-company-country{display:inline}</style><p><b>Heise</b> (officially <i>Heise Gruppe</i>) is a German <a href="/wiki/Media_conglomerate" title="Media conglomerate">media conglomerate</a> headquartered in <a href="/wiki/Hanover" title="Hanover">Hanover</a>. It was founded in 1949 by Heinz Heise and is still <a href="/wiki/Family_business" title="Family business">family-owned</a>. Its core business is directory media as well as general-interest and specialist media from the fields of computer technology, information technology and network culture. Another focus of its business activities is portals for price and product comparisons. </p><table class="infobox ib-company vcard"><caption class="infobox-title fn org">Heise Gruppe GmbH & Co. KG</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Heise_Gruppe_Marke_2023.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Heise_Gruppe_Marke_2023.svg/220px-Heise_Gruppe_Marke_2023.svg.png" decoding="async" width="220" height="36" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Heise_Gruppe_Marke_2023.svg/330px-Heise_Gruppe_Marke_2023.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Heise_Gruppe_Marke_2023.svg/440px-Heise_Gruppe_Marke_2023.svg.png 2x" data-file-width="219" data-file-height="36"></a></span></td></tr><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Heise_Gruppe_Zentrale_2022.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Heise_Gruppe_Zentrale_2022.jpg/220px-Heise_Gruppe_Zentrale_2022.jpg" decoding="async" width="220" height="110" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Heise_Gruppe_Zentrale_2022.jpg/330px-Heise_Gruppe_Zentrale_2022.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Heise_Gruppe_Zentrale_2022.jpg/440px-Heise_Gruppe_Zentrale_2022.jpg 2x" data-file-width="4000" data-file-height="2000"></a></span></td></tr><tr><th scope="row" class="infobox-label">Company type</th><td class="infobox-data category"><a href="/wiki/Private_company" class="mw-redirect" title="Private company">Private</a> (GmbH & Co. KG)</td></tr><tr><th scope="row" class="infobox-label">Predecessor</th><td class="infobox-data">Verlag Heinz Heise</td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data">1949<span class="noprint">; 75 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1949</span>)</span> in <a href="/wiki/Hanover" title="Hanover">Hanover</a>, Germany</td></tr><tr><th scope="row" class="infobox-label">Founder</th><td class="infobox-data agent">Heinz Heise</td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data adr"><div class="ib-company-locality locality">Hanover</div>, <div class="ib-company-country country-name">Germany</div></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Area served</div></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>Germany</li><li>Austria</li><li>Switzerland</li></ul></div></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Key people</div></th><td class="infobox-data agent">Ansgar Heise<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Revenue</th><td class="infobox-data"><a href="/wiki/Euro" title="Euro">€</a>193.8 million (2020)</td></tr><tr><th scope="row" class="infobox-label">Owner</th><td class="infobox-data">Heise family</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Number of employees</div></th><td class="infobox-data">1,085 (2020)</td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://www.heise-gruppe.de">www<wbr></wbr>.heise-gruppe<wbr></wbr>.de</a></span></td></tr></tbody></table> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"><input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"><div class="toctitle" lang="en" dir="ltr"><h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span></div> <ul> <li class="toclevel-1 tocsection-1"><a href="#History"><span class="tocnumber">1</span> <span class="toctext">History</span></a></li> <li class="toclevel-1 tocsection-2"><a href="#Publications"><span class="tocnumber">2</span> <span class="toctext">Publications</span></a></li> <li class="toclevel-1 tocsection-3"><a href="#Notes_and_references"><span class="tocnumber">3</span> <span class="toctext">Notes and references</span></a></li> <li class="toclevel-1 tocsection-4"><a href="#External_links"><span class="tocnumber">4</span> <span class="toctext">External links</span></a></li> </ul> </div> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(1)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="History">History</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Heise_(company)&action=edit&section=1" title="Edit section: History" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-1 collapsible-block" id="mf-section-1"> <p>In 1949, <a href="/w/index.php?title=Heinz_Heise_(publisher)&action=edit&redlink=1" class="new" title="Heinz Heise (publisher) (page does not exist)">Heinz Heise</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1294779#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q1294779"><span title='"Heinz Heise (publisher)" in other languages'>Wikidata</span></a>]</span> founded the publishing house named after him in <a href="/wiki/Hanover" title="Hanover">Hanover</a>-Badenstedt.<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> The company's first product was an address book for the town of <a href="/wiki/B%C3%BCnde" title="Bünde">Bünde</a>, later joined by the telephone directory for <a href="/wiki/Einbeck" title="Einbeck">Einbeck</a>. Gradually, other cities and regions were added to the product range. In addition, Heise expanded the program to include non-fiction topics, such as manuals on law. By 1960, sales had risen to over one million marks. </p><p>In 1972, Heinz Heise handed over the management of the company to his son <a href="/w/index.php?title=Christian_Heise_(publisher)&action=edit&redlink=1" class="new" title="Christian Heise (publisher) (page does not exist)">Christian</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1080246#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q1080246"><span title='"Christian Heise (publisher)" in other languages'>Wikidata</span></a>]</span>. Under his leadership, a magazine for electronics and technology topics, was created. The first issue of the computer magazine <a href="/wiki/C%27t" title="C't">c't</a> appeared in 1983,<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> followed by the professional magazine <a href="/wiki/IX_(magazine)" title="IX (magazine)">iX</a> in 1988.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Both publications are still around today. Later, the IT sector was further expanded with the acquisition of the Heidelberg-based Dpunkt Verlag.<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>After the fall of the <a href="/wiki/Berlin_Wall" title="Berlin Wall">Berlin Wall</a>, Heise expanded into the states of the former <a href="/wiki/Eastern_Bloc" title="Eastern Bloc">Eastern Bloc</a>. In 1992, the company took over the long-established <a href="/w/index.php?title=Hinstorff_(publisher)&action=edit&redlink=1" class="new" title="Hinstorff (publisher) (page does not exist)">Hinstorff</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1619570#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q1619570"><span title='"Hinstorff (publisher)" in other languages'>Wikidata</span></a>]</span> publishing house in Rostock.<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> Having previously invested in regional radio stations, Heise participated in the founding of <a href="/w/index.php?title=Radio_21_(Germany)&action=edit&redlink=1" class="new" title="Radio 21 (Germany) (page does not exist)">Radio 21</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1762269#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q1762269"><span title='"Radio 21 (Germany)" in other languages'>Wikidata</span></a>]</span>, a private radio station in Lower Saxony, in year 2000. Additionally, Heise invested in digital business models with partner publishers: <a href="/w/index.php?title=Das_%C3%96rtliche&action=edit&redlink=1" class="new" title="Das Örtliche (page does not exist)">Das Örtliche</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1171772#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q1171772"><span title='"Das Örtliche" in other languages'>Wikidata</span></a>]</span> and <a href="/w/index.php?title=Das_Telefonbuch&action=edit&redlink=1" class="new" title="Das Telefonbuch (page does not exist)">Das Telefonbuch</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q17538967#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q17538967"><span title='"Das Telefonbuch" in other languages'>Wikidata</span></a>]</span> appeared online for the first time. The news portal <i>heise.de</i> was created and supplemented by <a href="/wiki/Telepolis" title="Telepolis">Telepolis</a> and other channels. The MIT magazine <a href="/wiki/MIT_Technology_Review" title="MIT Technology Review">Technology Review</a>, whose German-language version has been published by Heise since 2003, was widely recognized.<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>In recent years, price comparison portals have taken on greater importance at Heise. The company has stakes in <i>billiger.de</i>,<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> <i>guenstiger.de</i> and <i><a href="/wiki/Geizhals" title="Geizhals">geizhals.at</a></i>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(2)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Publications">Publications</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Heise_(company)&action=edit&section=2" title="Edit section: Publications" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-2 collapsible-block" id="mf-section-2"> <p>Heise publishes <i>Das Örtliche</i> and <i>Das Telefonbuch</i> as well as the <a href="/wiki/Yellow_pages" title="Yellow pages">Gelbe Seiten</a> in joint editorial and publishing partnership with Deutsche Tele Medien. The media are published in printed form, as a web application and for mobile devices. In addition to a simple entry, Heise offers small and medium-sized companies a wide range of <a href="/wiki/Online_marketing" class="mw-redirect" title="Online marketing">online marketing</a> services.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>The IT news portal <i>heise.de</i> is leading in German-speaking countries.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> It also includes the media brands c't, iX, Make, Mac & i,<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Technology Review, heise Autos, TechStage and Telepolis.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> The company uses the brands both online and for magazines, as well as for events, especially congresses, conferences, seminars and workshops, including <i>Heise Adacemy</i>. </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(3)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Notes_and_references">Notes and references</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Heise_(company)&action=edit&section=3" title="Edit section: Notes and references" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-3 collapsible-block" id="mf-section-3"> <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"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></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 class="citation web cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://kress.de/koepfe/kresskoepfe-detail/profil/5229-ansgar-heise.html">"Ansgar Heise"</a> (in German). Kress<span class="reference-accessdate">. Retrieved <span class="nowrap">April 13,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Ansgar+Heise&rft.pub=Kress&rft_id=https%3A%2F%2Fkress.de%2Fkoepfe%2Fkresskoepfe-detail%2Fprofil%2F5229-ansgar-heise.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHeise+%28company%29" 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="CITEREFBühling1972" class="citation cs2 cs1-prop-foreign-lang-source">Bühling, Selmar (June 8, 1972), "Ein Wort zum Mitbegründer des Erfurter Heimatbriefs (Heinz Heise).", <i>Erfurter Heimatbrief</i> (in German), no. 24, pp. 17–19</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Erfurter+Heimatbrief&rft.atitle=Ein+Wort+zum+Mitbegr%C3%BCnder+des+Erfurter+Heimatbriefs+%28Heinz+Heise%29.&rft.issue=24&rft.pages=17-19&rft.date=1972-06-08&rft.aulast=B%C3%BChling&rft.aufirst=Selmar&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHeise+%28company%29" 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 class="citation news cs1 cs1-prop-foreign-lang-source">"Digital ganz analog: Alles, was Sie über Computerzeitschriften wissen sollten". <i><a href="/wiki/Neue_Z%C3%BCrcher_Zeitung" title="Neue Zürcher Zeitung">Neue Zürcher Zeitung</a></i> (in German). December 11, 1998. p. 67.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Neue+Z%C3%BCrcher+Zeitung&rft.atitle=Digital+ganz+analog%3A+Alles%2C+was+Sie+%C3%BCber+Computerzeitschriften+wissen+sollten.&rft.pages=67&rft.date=1998-12-11&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHeise+%28company%29" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1 cs1-prop-foreign-lang-source">"Kampf um iX: Ein Mittelständler stellt sich gegen die Börse". <i><a href="/wiki/Frankfurter_Neue_Presse" title="Frankfurter Neue Presse">Frankfurter Neue Presse</a></i> (in German). August 26, 2000. p. 2.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Frankfurter+Neue+Presse&rft.atitle=Kampf+um+iX%3A+Ein+Mittelst%C3%A4ndler+stellt+sich+gegen+die+B%C3%B6rse.&rft.pages=2&rft.date=2000-08-26&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHeise+%28company%29" 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 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://www.horizont.net/medien/nachrichten/-Heise-uebernimmt-Mehrheit-von-Dpunkt-Verlag-35957">"Heise übernimmt Mehrheit von Dpunkt-Verlag"</a>. <i><a href="/wiki/Horizont_(newspaper)" class="mw-redirect" title="Horizont (newspaper)">Horizont</a></i> (in German). February 28, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">April 14,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Horizont&rft.atitle=Heise+%C3%BCbernimmt+Mehrheit+von+Dpunkt-Verlag.&rft.date=2022-02-28&rft_id=https%3A%2F%2Fwww.horizont.net%2Fmedien%2Fnachrichten%2F-Heise-uebernimmt-Mehrheit-von-Dpunkt-Verlag-35957&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHeise+%28company%29" 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"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBüssing2021" class="citation news cs1 cs1-prop-foreign-lang-source">Büssing, Stefanie (September 2, 2021). "190 Jahre Hinstorff-Verlag". <i>Ostsee-Zeitung</i> (in German). p. 19.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Ostsee-Zeitung&rft.atitle=190+Jahre+Hinstorff-Verlag&rft.pages=19&rft.date=2021-09-02&rft.aulast=B%C3%BCssing&rft.aufirst=Stefanie&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHeise+%28company%29" class="Z3988"></span></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"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://www.horizont.net/medien/nachrichten/-Deutsche-Technology-Review-kommt-41852">"Deutsche Technology Review kommt"</a>. <i>Horizont</i> (in German). January 10, 2003<span class="reference-accessdate">. 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