Sina Weibo child. This message was commented and re-posted more than 2.5 million times in 10 hours. (Ma's response also generated 2.18 million responses in 12 hours.) On 22 June TFBOYS member Wang Junkai was awarded a Guinness world record title for the most reposts of a Weibo post. His message was reposted 42,776,438 times. Luhan was awarded a Guinness World record for most comments on a Weibo post. Sina Weibo Sina Weibo () is a Chinese microblogging (weibo) website. Launched by Sina Corporation on 14 August 2009, it is one of the most popular social media platforms in China. As of
Sina Weibo Sina Weibo. Posts on politically sensitive topics are deleted after manual checking. Sina Weibo is believed to employ a distributed, heterogeneous strategy for censorship that has a great amount of defense-in-depth, which ranges from keyword list filtering to individual user monitoring. Nearly 30% of the total deletion events occur within 5–30 minutes, and nearly 90% of the deletions happen within the first 24 hours. On 9 March 2010, the posts by Chinese artist and activist Ai Weiwei at Sina Weibo to appeal for information on 2008 Sichuan earthquake going public were deleted and his account was closed by website's administrator.