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
Sina Weibo new "close friend" function enhanced the private social circle; In February 2013, the company reported total revenue of about 66 million us dollars, with more than 500 million registered users and 46.2 million daily active users; In April 2013, Alibaba acquired an 18% stake in Sina Weibo; In August 2013, Sina Weibo Taobao was launched to realize account sharing; In March 2014, sina weibo was renamed "weibo"; In April 2014, weibo was listed on Nasdaq; In November 2016, the 140-character limit for the release of the publisher was limited to less than 2,000 words; In December 2016, Sina Weibo posted