Sina Weibo in the IPO, and Alibaba owned 32% post IPO. The company began trading publicly on 17 April 2014. "Weibo" (微博) is the Chinese word for "microblog". Sina Weibo launched its new domain name weibo.com on 7 April 2011, deactivating and redirecting from the old domain, t.sina.com.cn to the new one. Due to its popularity, the media sometimes directly uses "Weibo" to refer to Sina Weibo. However, there are other Chinese microblogging/weibo services including Tencent Weibo (腾讯微博), Sohu Weibo (搜狐微博), and NetEase Weibo (网易微博). "Sina Weibo" is a Chinese microblogging (weibo) website and is one of the biggest social media platforms
Sina Weibo Attempts to register accounts with usernames alluding to Ai Weiwei were blocked. On 30 March 2010, Hong Kong singer Gigi Leung blogged about the jailed Zhao Lianhai, an activist and father to a 2008 Chinese milk scandal victim. The post was later deleted by an administrator. However compared to other Chinese media formats, Weibo services are seen as allowing greater freedom of speech. Criticism against the Chinese government is more widespread on Sina Weibo and other weibo services. After the July 2011 Wenzhou train collision, many dissatisfied posts concerning governmental corruption were posted throughout the Sina Weibo. While Weibo services