Microblogging in China experimenting with ways of interaction and negotiation with the microblogging public and service providers in their attempt to improve social management and political legitimacy. This negotiation process also exposes and/or creates inter-governmental tensions, since local governments in China consist of distinct units with their own particular preferences and operation procedures. Since 2011, there have been rumors that the government will institute a "Real Name" policy for Weibo users. Early in February 2012, China's four key weibo companies – Sina, Sohu, NetEase and Tencent – announced that March 16, 2012, was the deadline for users to adopt their real name identity.
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