Bing (search engine) are entered and a list of related searches (called "Explore pane") based on semantic technology from Powerset, which Microsoft had acquired in 2008. In July 2009, Microsoft and Yahoo! announced a deal in which Bing would power Yahoo! Search. All Yahoo! Search global customers and partners made the transition by early 2012. The deal was altered in 2015, meaning Yahoo! was only required to use Bing for a "majority" of searches. In October 2011, Microsoft stated that they were working on new back-end search infrastructure with the goal of delivering faster and slightly more relevant search results for users. Known
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