The account returned shortly after it vanished. You can click here to see it live.
The reason this happened? Well, Twitter first said, "Earlier today @realdonaldtrump's account was inadvertently deactivated due to human error by a Twitter employee. The account was down for 11 minutes, and has since been restored. We are continuing to investigate and are taking steps to prevent this from happening again."
Then a few hours later they tweeted, "Through our investigation we have learned that this was done by a Twitter customer support employee who did this on the employee's last day. We are conducting a full internal review."
The brief disappearance of the president's Twitter account got the internet buzzing. Here's a roundup of some of the best tweets: