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| 2006-2009 || || New human-curated web search engine || [[wikipedia:Wikia|Wikia]] launches [[wikipedia:Wikia Search|Wikia Search]], a search engine based on human curation, but then shuts it down. Relevant dates: publicly proposed December 23, 2006<ref name=TimesDec23>{{cite web|last=Doran|first=James|url=http://business.timesonline.co.uk/article/0,,9075-2517026,00.html|title=Founder of Wikipedia plans search engine to rival Google|work=The Times |location=London |date=December 23, 2006|accessdate=January 6, 2007 }}</ref> and January 31, 2007,<ref>[http://www.informationweek.com/news/showArticle.jhtml?articleID=197003494 Wales: Search Wikia Will Succeed Where Google Cannot], InformationWeek, February 5, 2007. Retrieved July 27, 2007.</ref> private pre-alpha December 24, 2007,<ref>{{cite web |url=http://lists.wikia.com/pipermail/search-l/2007-December/000845.html |title=private pre-alpha invites available |accessdate=December 24, 2007 |last=Wales |first=Jimmy |date=December 24, 2007 }}</ref><ref>{{cite news |url=http://www.washingtonpost.com/wp-dyn/content/article/2007/12/24/AR2007122401567.html |title=Wikia Search Project to Launch January 7, Wales says |accessdate=December 24, 2007 |date=December 24, 2007 |work=The Washington Post}}</ref> toolbar release August 2008, shutdown March–May 2009.<ref>[http://news.cnet.com/8301-17939_109-10207896-2.html Wales giving up on Wikia Search]</ref>

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| 2008 || January 28 || New web search engine || [[wikipedia:Cuil|Cuil]], a web search engine created by ex-Googlers that uses picture thumbnails to display search results, launches.<ref name="AP1">Liedtke, Michael, ''[http://www.msnbc.msn.com/id/25884709 Ex-Google engineers debut 'Cuil' way to search]'', Associated Press, 28 July 2008, retrieved 13 Dec 2009</ref> It would later shut down on September 17, 2010.<ref>{{cite news|author=Michael Arrington|title=Cuil Goes Down, And We Hear It’s Down For Good|url=http://techcrunch.com/2010/09/17/cuil-goes-down-and-we-hear-its-down-for-good/|publisher=TechCrunch|date=2010-09-17}}</ref><ref>{{cite news|author=Devindra, Hardawar|title=Supposed Google-killer Cuil’s reign of terror may finally be over|url=http://venturebeat.com/2010/09/17/supposed-google-killer-cuils-reign-of-terror-may-finally-be-over/|publisher=VentureBeat|date=2010-09-17}}</ref><ref name=REF_ID>{{cite news |title=Cuil is Stone Cold – Another 'Google Killer' Bites the Dust |author= |newspaper=SearchEngineWatch |date=2010-09-18 |url=http://blog.searchenginewatch.com/100918-132701 }}</ref>