The reason why so many Chinese come to pawoo is weibo(like twitter in China) has a protocol said, almost all the things you published in weibo, the copyright is weibo's not yours. Not because of the real-name system.

为什么这么多中国人来pawoo是因为微博有个协议意思是你在微博发布的几乎所有东西版权都归微博所有。不是因为微博的实名制。