Tencent Weibo in March, Qoocu.com (a blog focusing on products of Tencent) released some screenshots of the internal beta test of Tencent Weibo. On April 1, Tencent began its public beta test, people with an invitation code might take part in the test. And on the same day, Tencent released its QQ2010 version Beta3, with the microblogging feature included. In the second quarter of 2012 it had 469 million registered users. On July 23, 2014, Tencent Inc announced that it will integrate its micro-blogging service's operation team into the company's news team, after media reported that it has dismissed its micro-blogging department
Sina Weibo Attempts to register accounts with usernames alluding to Ai Weiwei were blocked. On 30 March 2010, Hong Kong singer Gigi Leung blogged about the jailed Zhao Lianhai, an activist and father to a 2008 Chinese milk scandal victim. The post was later deleted by an administrator. However compared to other Chinese media formats, Weibo services are seen as allowing greater freedom of speech. Criticism against the Chinese government is more widespread on Sina Weibo and other weibo services. After the July 2011 Wenzhou train collision, many dissatisfied posts concerning governmental corruption were posted throughout the Sina Weibo. While Weibo services