Microblogging in China – Wikipedia

Weibo (微博) is the Chinese word for “microblog”.It refers to mini-blogging services in China, including social chat sites and platform sharing. Weibo uses a format similar to its American counterpart Twitter, but used almost exclusively by Chinese language speakers; this has a direct impact on features such as hashtags on Sina Weibo and Tencent Weibo, which both employ a double-hashtag “# …

: https://en.wikipedia.org/wiki/Microblogging_in_China