Yahoo! Search supplemented with its directory of websites. The results were presented to the user under the Yahoo! brand. Originally, none of the actual web crawling and data housing was done by Yahoo! itself. In 2001, the searchable index was powered by Inktomi and later was powered by Google until 2004, when Yahoo! Search became independent. On July 29, 2009, Microsoft and Yahoo! announced a deal in which Bing would henceforth power Yahoo! Search. Seeking to provide its own search engine results, Yahoo! acquired their own search technology. In 2002, they bought Inktomi, a "behind the scenes" or OEM search engine provider,
Search Engine Watch Google's Matt Cutts has called Search Engine Watch "a must read." Yahoo's Tim Mayer has said that it is the "most authoritative source on search." Search Engine Watch Search Engine Watch (SEW) provides news and information about search engines and search engine marketing. Search Engine Watch was started by Danny Sullivan in 1996. In 1997, Sullivan sold it for an undisclosed amount to MecklerMedia (now WebMediaBrands). In 2005 the website and related Search Engine Strategies conference series were sold to Incisive Media for $43 million. On November 30, 2006, Danny Sullivan left Search Engine Watch, after his resignation announcement on