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
Microblogging in China and methods. They usually have an automatically checked list of blacklisted keywords. Sometimes administrators monitor these manually. Posts on topics which are sensitive and forbidden in China (e.g. Human Rights, Liu Xiaobo) are deleted, and the user's account may be blocked. Some scandals and controversies such as the Li Gang incident, were uncovered by weibo. After incidents such as the Wenzhou train collision and the 2010 Shanghai fire, criticism of the CPC government increased on weibo. Although weibo services have not always met the approval of the government, many Chinese officials have opened weibo accounts. An organ of the Central