Sina Weibo is a Chinese microblogging website. It is the Chinese version of familiar social platforms such as Twitter and Facebook. Sina Weibo is one of the most popular sites in China in use by well over 30% of Internet users. Weibo has a similar market penetration that Twitter has established in the USA. The website was launched by SINA Corporation in 2009, and has over 300 million users as of 2012, with a staggering 100 million messages posted every day on Sina Weibo. This is a video from TechCrunch showing us their Chinese office space.