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 in October 2012. On 4 June 2013, Sina Weibo had blocked the terms "Today", "Tonight", "June 4", and "Big Yellow Duck". If these were searched, a message would appear stating that according to relevant laws, statutes and policies, the results of the search couldn't be shown. The censorship occurred because of a photoshopped version of Tank Man, which swapped all tanks with the sculpture Rubber Duck, had been circulating around Twitter. According to BBC news report, Weibo users drop-off since 2014 can be attributed to both government crackdown that Chinese government regulations on preventing the use of aliases to create