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 users and posts. Registered users surpassed 100 million before March 2011. Since 23 March 2011, t.cn has been used as Sina Weibo's official URL shortening domain name in lieu of sinaurl.cn. On 7 April 2011, weibo.com replaced t.sina.com.cn as the new domain used by the website. Meanwhile, the official logo was also updated. In June 2011, Sina announced an English-language version of Sina Weibo would be developed and launched, where the contents would still be controlled by China's laws. On January 11, 2013, Weibo (a subsidiary of SINA Corporation) and Alibaba China (a subsidiary of Alibaba Group) signed a strategic