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 is that much more information can be conveyed in 140 Chinese characters than the 140 Latin alphabet characters used on Twitter for many languages. Sina Weibo is the most visited such site in China. Sina has used the domain name weibo.com for the service since April 2011. Because of the site's popularity and domain name, "Weibo" is often used generically to refer to Sina Weibo or Tencent Weibo. Weibos are a major source of commentary on a wide range of topics. After the high-speed Wenzhou train collision in 2011 in which 40 people died, online posting played a key role