Baidu was launched on the 1st of January, 2000, and is a Chinese language search engine. According to data collected by Comscore: Baidu received the third highest search queries of any search website in 2007: receiving 5.2% of the worldwide search share. According to Comscore, up until 2015, Baidu has managed to maintain a similar market share, and, as with Google and Bing, Baidu provides image, video and audio searching.
Baidu was founded by two individuals; both Chinese nationals:
Robin Li worked for Infoseek in the 1990's; Infoseek was launched in 1994, and was one of the earliest web search engines. In 1996, Li designed RankDex - which he received a U.S. patent for - that ranked webpages based upon an algorithm that calculated the amount and quality of hyperlinks pointing to a webpage. RandDex was cited in the patent application for Google PageRank. Li used RandDex to design the Baidu search engine and the search engine was launched on the 1st of January, 2000. Due to the success of Baidu, Robin Li and Eric Xu are ranked as two of the richest men in China; as of 2015.
Baidu's primary service is a web search, but, as with other search engines, they have expanded their services. Baidu also provides: web directory (aka dmoz); browser (aka chrome); smartphone OS (aka Android); a cloud storage service; image search, audio search; video search; social networking (aka facebook); games channel; security software; and desktop computer search. Baidu (2015) currently offers over 50 services, and the company primarily provides it's service to Internet users in China and Japan.