Web search engine launched on June 1, 2009. On July 29, 2009, Yahoo! and Microsoft finalized a deal in which Yahoo! Search would be powered by Microsoft Bing technology. A search engine maintains the following processes in near real time: Web search engines get their information by web crawling from site to site. The "spider" checks for the standard filename "robots.txt", addressed to it, before sending certain information back to be indexed depending on many factors, such as the titles, page content, JavaScript, Cascading Style Sheets (CSS), headings, as evidenced by the standard HTML markup of the informational content, or its metadata in
ChaCha (search engine) April 2009, Rick Reilly spent some time working for ChaCha for an article on "ESPN The Magazine". ChaCha (search engine) ChaCha was a human-guided search engine. It provided free, real-time answers to any question, through its website, or by using one of the company's mobile apps. The company, founded in 2006 by Scott A. Jones and Brad Bostic, was based in Carmel, Indiana, United States, part of the Indianapolis metropolitan area. Its name comes from the Mandarin Chinese word "cha" (), which means "to search." ChaCha answered questions through the use of independent contractors called Guides. Guides were paid $0.02