<a href="https://en.wikipedia.org/wiki/Wikipedia" id="mwAUA" rel="mw:WikiLink" title="Wikipedia">Wikipedia</a>, a free <a href="https://en.wikipedia.org/wiki/Wiki" id="mwAUE" rel="mw:WikiLink" title="Wiki">wiki</a> content encyclopedia, is launched.<sup about="#mwt101" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-17"}}' id="cite_ref-17" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_15#cite_note-17" id="mwAUI" style="counter-reset: mw-Ref 17;"><span class="mw-reflink-text" id="mwAUM">[17]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-17"><cite about="#mwt98" class="citation book cs1" id="CITEREFPaul_Anderson2016">Paul Anderson (19 April 2016). <a class="external text" href="https://books.google.com/books?id=rRrOBQAAQBAJ&amp;pg=PA137" id="mwCE4" rel="mw:ExtLink nofollow"><i id="mwCE8">Web 2.0 and Beyond: Principles and Technologies</i></a>. CRC Press. p.<span id="mwCFA" typeof="mw:Entity"> </span>137. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCFE" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCFI" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-1-4398-2868-7" id="mwCFM" rel="mw:WikiLink" title="Special:BookSources/978-1-4398-2868-7"><bdi id="mwCFQ">978-1-4398-2868-7</bdi></a>.</cite><span about="#mwt98" class="Z3988" id="mwCFU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Web+2.0+and+Beyond%3A+Principles+and+Technologies&amp;rft.pages=137&amp;rft.pub=CRC+Press&amp;rft.date=2016-04-19&amp;rft.isbn=978-1-4398-2868-7&amp;rft.au=Paul+Anderson&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DrRrOBQAAQBAJ%26pg%3DPA137&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+15"></span></span>