The document discusses search engines and their history. It provides details on Google, the leading search engine founded in 1998 by Larry Page and Sergei Brin. It also discusses Bing, the current search engine from Microsoft that was unveiled in 2009 and replaced Yahoo!'s search engine through a 10-year deal. The document also lists reasons why Google may be considered the best search engine, including its simplicity, speed, reliability, and ease of use.