Sina Weibo Sina Weibo Sina Weibo () is a Chinese microblogging (weibo) website. Launched by Sina Corporation on 14 August 2009, it is one of the most popular social media platforms in China. As of Q3 2018, Sina Weibo has over 445 million monthly active users, with surging stocks, advertising sales, revenue and total earnings in the quarter. At the start of 2018, it surpassed US$30 billion market valuation mark for the first time. In March 2014, Sina Corporation announced a spinoff of Weibo as a separate entity and filed an IPO under the symbol WB. Sina carved-out part 11% of Weibo
Microblogging in China Sohu Weibo and NetEase Weibo were suspended between July 9–12 and July 13–15, 2010, respectively. Since then, all of the Chinese weibo services have attached a note of "beta version" to their title logos. Commentators said that Sohu Weibo and NetEase Weibo were being "reorganized" by Chinese administrators. The weibo services were not officially approved, so they could only be operated as a "beta version". Some closed weibos were re-opened under restrictions in 2009 or 2010, including Fanfou, which was re-launched in November 2010. Most of Fanfou's users never came back. Before July 2009, Fanfou was the most influential weibo