Microblogging in China website. In February 2011, Tencent announced that its weibo registrations had exceeded 100 million. This threshold was officially passed by Sina Weibo in March 2011. However, according to iResearch's report on March 30, 2011, Sina Weibo took a commanding lead over its competitors, with 56.5% of China's microblogging market based on active users, and 86.6% based on browsing time. According to the China Internet Network Information Center, in the first half of 2011, Chinese weibo users increased from 63.11 million to 195 million. By July 2011, 40.2% Chinese Internet users and 34.0% Chinese mobile Internet users used weibo/microblogs. In Dec
Sina Weibo software for mobile devices, and which grew out of Sina's 2011 joint venture with GeoSentric's GyPSii. Sina's Tuding (图钉) photo-sharing service, similar to Instagram, is also produced by the same joint venture. In addition, Sina Lady Weibo (新浪女性微博) is another service, which specializes in women's interests. Sina weibo have also recently released a desktop version of weibo, available for free download at its website. In cooperation with internet censorship in China, Sina sets strict controls over the posts on its services. Posts with links using some URL shortening services (including Google's goo.gl), or containing blacklisted keywords, are not allowed on