No longer will Twitter users have to condense their thoughts to a mere 140 characters - the majority will now have double that to play with.

Good news, right?
While some have welcomed the rollout, which comes after a test launched in September, not all of Twitter's users are over the moon.
The hashtag #280Characters has been shared close to 350,000 times since the announcement on Tuesday. The reaction has been....well, it's been mixed.
Some were keen to make full use of all the new space. After all budding mathematicians or all-round show-offs are no longer limited to just the first 140 digits of pi.