Sina Weibo and companies. Also, there is a graph and a declaration on its user page to show the verification. There are several kinds of verifications: personal verification, college verification, organization verification, verification for official accounts (accounts of government departments, social media platforms and famous companies) weibo master (people bind the accounts with their phone numbers and their followers). When the number of microblogs reaches a threshold, users can apply for the verification of "Weibo Master". Sina produced mobile applications for various platforms to access Sina Weibo, the platforms include Android, BlackBerry OS, iOS, Symbian S60, Windows Mobile and Windows Phone. Sina
Sina Weibo might not always be in favor of government officials, many Chinese officials opened Weibo accounts as to give their own version of events. On 16 March 2012, all the Beijing users of Sina Weibo were told to register with their real names. From 31 March 2012, the comment function of Sina Weibo was shut down for three days, along with Tencent QQ. In May 2012, Sina Weibo introduced new restrictions on the content its 300 million users can post. An example of Sina Weibo's censorship and manipulation of discussion or public social activity was the blocking of Foxconn workers' strikes