On 30^th December, the Annual Conference of Sohu Weibo Client (weibo is just kind of microbloggng service like twitter in China), 2011 was held in Beijing, and Sohu (NASDAQ: SOHU) first issued the Weibo Copyright Protection Convention among the four main microblogging platforms in China, which verifies that the author may enjoy the copyright over its tweets, and accordingly Sohu will provide protecton on it, respect its authorized use and offer aids in the legal protection. However, for the tweets tend to be brief, therefore its protection by Copyright Law has been long argued. And here is the analysis from Bridge IP Law Commentary on it.