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
Tencent Weibo of QQ, Tencent doesn't intend to launch Tencent Weibo at a strategic level, but as a marketing tactic to curb competitors. Many celebrities are Tencent Weibo users, including, Ma Huateng, Zhou Hongyi, Liu Xiang and Jet Li. Initially only QQ users could register Tencent Weibo account corresponding to their own QQ number. Weibo accounts are not automatically registered for QQ users, they need to log in Tencent Weibo page for registration. Email address can be used for registration (formerly only QQ email address were supported). Posts can be shortened into an url.cn domain name. Each user can follow up to