From Reuters:
The number of microblogging or Weibo users rose over 200 percent in the first six months of the year to 195 million users from 63.1 million at the end of 2010, said the China Internet Network Information Center in a report.
The number of group-buying users also rose 125 percent to 42.2 million users from 18.7 million users at the end of 2010.
Sina Corp, Tencent Holdings and Baidu compete in China’s hot Weibo space. Weibo acts like Twitter by allowing users to post links and short messages and accrue followers. Twitter, Facebook and YouTube are blocked in China.

