Microblogging in China 2010, it had been, respectively, 13.8% and 15.5%. In July 2009, Chinese microblogs were severely curtailed when most of the domestic weibo services such as Fanfou were shut down. But it brought the birth of others, such as Tencent Weibo and Sina Weibo, operated by large Chinese Internet companies. Sohu Weibo and NetEase Weibo were suspended in July 2010 under the order of the Chinese administrators. Weibo is now operated as a "beta version", enabling the user to circumvent prohibition. Due to the Internet censorship in China, all of the China-based weibo services are now controlled by various self-censorship policies
Sina Weibo Class requirements. The Sina Weibo financial report in February 2013 showed that its total revenue was approximately US$66 million and the number of registered users exceeded the 500 million mark. In April 2013, Sina officially announced that Sina Weibo had signed a strategic cooperation agreement with Alibaba. The two sides conducted in-depth cooperation in areas such as user account interoperability, data exchange, online payment, and internet marketing. At the same time, Sina announced that Alibaba, through its wholly owned subsidiary, purchased the preferred shares and common shares issued by Sina Weibo Company for US$586 million, which accounted for approximately 18%