Sina Weibo is a Chinese microblogging website. Akin to a hybrid of Twitter and Facebook, it is one of the most popular sites in China, in use by well over 30% of Internet users, with a similar market penetration that Twitter has established in the USA.

Sina Weibo is a Chinese microblogging website. Akin to a hybrid of Twitter and Facebook, it is one of the most popular sites in China, in use by well over 30% of Internet users, with a similar market penetration that Twitter has established in the USA.