Post a Weibo and tell me why the number of words is limited.

Weibo said that the word limit is 140 Chinese characters. I learned it from abroad, because the earliest Weibo abroad was Twitter, which allowed users to send short messages to update their status. The maximum length of a short message was 140 English characters (including letters, spaces and punctuation marks), so most domestic lecturers in Weibo followed this habit abroad and adopted 140 as the upper limit. After a long time, it becomes a convention. . Hope to adopt