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
Microblogging in China instant messaging service QQ's users, Tencent Weibo later attracted more registered users than Sohu Weibo and NetEase Weibo. The public beta versions of NetEase Weibo and Sohu Weibo were launched on March 20 and April 7, 2010, respectively. All these weibos, provided by the Chinese Internet giants, used the subdomain "t.example.com", such as t.sina.com.cn for Sina Weibo, t.qq.com for Tencent Weibo, t.sohu.com for Sohu Weibo, t.163.com for NetEase Weibo. On 7 April 2011, the leader of the weibo services Sina Weibo started to use an independent domain name weibo.com acquired earlier, in an attempt to build up its own brand.