Twitter just doubled the character limit for tweets to 280

Twitter says it's expanding tweet limit to 280 characters from 140 as part of test for some users 

TWITTER: Trying to cram your thoughts into a Tweet – we’ve all been there, and it’s a pain.
Interestingly, this isn't a problem everywhere people Tweet. For example, when I (Aliza) Tweet in English, I quickly run into the 140 character limit and have to edit my Tweet down so it fits. Sometimes, I have to remove a word that conveys an important meaning or emotion, or I don’t send my Tweet at all. But when Iku Tweets in Japanese, he doesn’t have the same problem. He finishes sharing his thought and still has room to spare. This is because in languages like Japanese, Korean, and Chinese you can convey about double the amount of information in one character as you can in many other languages, like English, Spanish, Portuguese, or French.
We want every person around the world to easily express themselves on Twitter, so we're doing something new: we're going to try out a longer limit, 280 characters, in languages impacted by cramming (which is all except Japanese, Chinese, and Korean).

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