Yahoo! Search ("Build your Own Search Engine"). This service opens the doors for developers to use Yahoo!'s system for indexing information and images and create their own custom search engine. In January 2010, Microsoft announced a deal in which it would take over the functional operation of Yahoo! Search, and set up a joint venture to sell advertising on both Yahoo! Search and Bing known as the Microsoft Search Alliance. A complete transition of all Yahoo! sponsored ad clients to Microsoft adCenter (now Bing Ads) occurred in October 2010. On March 12, 2014, Yahoo announced a partnership with Yelp to integrate its
History of Microsoft strengthen its position on the search engine market vis-à-vis Google. The company rejected the offer, saying that it undervalued the company. In response, Microsoft withdrew its offer. In 2009, the opening show of the Consumer Electronics Show (CES) was hosted by Steve Ballmer for the first time. In past years, it has been hosted by Bill Gates. During the show, Ballmer announced the first public Beta Test of Windows 7 for partners and developers on January 8, but also for the general public two days later. On June 26, 2009, Microsoft started taking pre-orders at a discounted price for Windows