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 software for mobile devices, and which grew out of Sina's 2011 joint venture with GeoSentric's GyPSii. Sina's Tuding (图钉) photo-sharing service, similar to Instagram, is also produced by the same joint venture. In addition, Sina Lady Weibo (新浪女性微博) is another service, which specializes in women's interests. Sina weibo have also recently released a desktop version of weibo, available for free download at its website. In cooperation with internet censorship in China, Sina sets strict controls over the posts on its services. Posts with links using some URL shortening services (including Google's goo.gl), or containing blacklisted keywords, are not allowed on