Canadian Twitter users will be able to enjoy new features, but not for free.
The "Twitter Blue" service, which is also being rolled out in Australia, will offer subscribers features such as an undo button, colour themes and customizable apps.
Another feature offered is an "undo Tweet" feature, allowing users 30 seconds to cancel a sent tweet before it appears.
One perk not being offered is an edit button, despite calls from users.
The service will cost $3.50 a month in Canada.
It's not know yet when other countries will be able to sign up for the service.
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