China Internet Network Information Center has published a new statistics report, stating that there were 250 million microblog users in China by the end of 2011, a year-on-year increase of 296%.

Chinese Internet company Tencent and China Network Television have jointly announced a strategic partnership for a comprehensive social media and microblogging cooperation.

Baihe.com, a marriage social networking website in China, has started compulsory real-name registrations for new users, and the registrations will be checked via an authentication system.

Chinese technology giant Lenovo Group held a launch ceremony in Beijing to announce a new cloud computing strategy, a new smartphone, a tablet computer, a new personal computer, and TV products.

Oracle China has launched a new recruitment program named "We are Hiring", under which the technology company will hire over 600 new employees in China to support its fast business growth in the local market.

Chinese social networking site Renren.com has announced plans to acquire the entire stake in 56.com, a Chinese video website, for USD80 million in cash.

U.S. Internet giant IAC/InterActiveCorp's marriage website Match.com has reportedly acquired a 20% stake in Zhenai.com, a marriage website in China.

Chinese social networking site Kaixin001.com has announced that its group buying business, which it previously operated on its own, will transform to a third-party cooperation model.

Chinese social networking site Renren.com has reportedly formed a strategic partnership with MSN China in sectors including social networking, instant messaging service, and open platform development.

Smartphone maker HTC and the Chinese Internet company Sina.com jointly held a cross-platform brand launch meeting in Beijing to promote the first Sina microblog-themed smartphone product in China.

Chinese classified information website Ganji.com has updated its mobile client from the 1.0 version to 2.0, aiming to provide users with a better mobile Internet experience.

Chinese Internet social networking platform Renren Inc. announced its unaudited financial results for the first quarter ended March 31, 2011, and the company says it's not losing as much money as before.

Chinese Internet security software provider Qihoo 360 and social networking site Renren.com have jointly announced that the two parties have formed a strategic partnership for Internet security and open platform cooperation in China.

Chinese social networking site Renren.com and Japanese human resources and Japanese media group Recruit Company Ltd. have reached an agreement to jointly establish a marriage-oriented social media platform in China.

Chinese Internet company Tencent has announced that it will implement a strategic investment in the well-known film and entertainment group Huayi Brothers Media.