Bing (search engine) without merit because these companies filed for U.S. federal trademark applications only after Microsoft filed for the Bing trademark in March 2009. On July 29, 2009, Microsoft and Yahoo! announced that they had made a ten-year deal in which the Yahoo! search engine would be replaced by Bing, retaining the Yahoo! user interface. Yahoo! will get to keep 88% of the revenue from all search ad sales on its site for the first five years of the deal, and have the right to sell advertising on some Microsoft sites. All Yahoo! Search global customers and partners made the transition by
Search engine technology not every search engine uses the same algorithm to search through the indices. The algorithm is what the search engines use to determine the relevance of the information in the index to what the user is searching for. One of the elements that a search engine algorithm scans for is the frequency and location of keywords on a Web page. Those with higher frequency are typically considered more relevant. But search engine technology is becoming sophisticated in its attempt to discourage what is known as keyword stuffing, or spamdexing. Another common element that algorithms analyze is the way that pages