Sina weibo has more than 200 million registered users .

新浪微博的注册用户已经超过两亿。

The campaign to squash rumors online has been watched closely by investors and analysts , many of whom worry that the government 's regulation efforts could strangle fast-growing microblogging services from tencent and rival sina .

整顿虚假信息的行动受到投资者和分析人士的密切关注，很多人担心政府的监管措施可能会扼杀腾讯和新浪（sina）迅速成长的微博客服务。

Sina weibo tends to attract users who are highly educated and live in urban areas .

新浪微博吸引的通常是高学历及生活在城市地区的用户。

Mr. lee 's name was among the most searched terms on sina weibo monday .

李安的名字是周一新浪微博上搜索频率最高的词语之一。

Sina weibo and yili spokesmen could not be reached for comment monday .

周一记者无法联系到新浪微博和伊利的发言人置评。