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 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.