Tencent's microblog has 160m registered users

"During the annual conference recently held in Beijing by Chinese internet giant Tencent's online advertising arm, Tencent Mind, Tencent VP Sun Zhonghuai announced that as of March 31, Tencent Microblog had 160 mln registered users and 93 mln monthly active users, with more than 1 bln updates posted each month. More than 10 mln users are following twelve or more verified celebrity accounts on the service. More than 20,000 web and desktop applications hook into the Tencent Microblog API, a figure growing by more than 1,000 per day, and Tencent has partnered with 8,000 websites - and an additional 300 per week - for the service. More than 3,500 advertisers have signed on for the service, with more than 40 corporate marketing campaigns currently active on Tencent Microblog."

Source:  BiaNews, reported by Marbridge Daily, 4th May 2011