Baidu

Baidu, Inc. is the largest Chinese search engine company headquartered at the Baidu Campus in Beijing's Haidian District.

Baidu offers many services, including a Chinese search engine for websites, audio files and images. Baidu offers 57 search and community services including Baidu Baike (an online, collaboratively built encyclopedia) and a searchable, keyword-based discussion forum.

As of 2006, Baidu provided an index of over 740 million web pages, 80 million images, and 10 million multimedia files. Baidu offers multimedia content including MP3 music, and movies, and is the first in China to offer Wireless Application Protocol (WAP) and personal digital assistant (PDA)-based mobile search. The company also hosts a music service, called Baidu Music, that has more than 150 million monthly active users.