<P> On November 30, 2008, Microsoft offered to buy Yahoo!'s search business for $20 billion . </P> <P> On July 29, 2009, it was announced in a 10 - year deal that Microsoft would have full access to Yahoo!'s search engine to be used in future Microsoft projects for its search engine, Bing . Under the deal, Microsoft was not required to pay any cash up front to Yahoo!. The day after the deal was announced, Yahoo!'s share price declined more than 10% to $15.14 per share, about 60% lower than Microsoft's takeover bid a year earlier . </P> <P> On January 13, 2009, Yahoo! appointed Carol Bartz, former executive chairman of Autodesk, as its new chief executive officer and a member of the board of directors . Yahoo! tried to change its direction after chief executive Carol Bartz replaced co-founder Jerry Yang . </P> <P> In July 2009, Microsoft and Yahoo! agreed to a deal that would see Yahoo!'s websites use both Microsoft's search technology and search advertising . Yahoo! in turn would become the sales team for banner advertising for both companies . While Microsoft would provide algorithmic search results, Yahoo! would control the presentation and personalization of results for searches on its pages . </P>

Jerry and david guide to world wide web