Microblogging in China been arrested and controlled by the Chinese government, is one of the most active Chinese microbloggers on Twitter. Twitter users include Chinese nationals, who participated in, or led, the Chinese democracy movement that took place on June 4, 1989, such as Liu Xiaobo, the 2010 Nobel Peace Prize winner and a political prisoner in China. Microblogging services such as PornToot are also banned in China due to their lack of censorship. Weibo's most significant competition is rival microblogging service, WeChat, as of 2014 the country's leading messaging application. Below is an alphabetical list of notable China-based microblogging/weibo services: Microblogging in
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%