Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: China's most popular microblogging site has said it expects 60% of its account holders to have registered accurate details about themselves by a state-imposed deadline.

China's Sina Weibo microblog nears identity deadline