We've had the ability to "unsend" emails in Gmail for about six years ... It's set to let you unsend an email for 10 seconds by default, but you can lengthen and shorten the send cancellation ...

An curved arrow pointing right. If you're a regular Gmail user, you can prevent yourself from accidentally sending the wrong email to your entire office in just a couple of clicks. Here's how.

An curved arrow pointing right. Google has officially added an "undo" feature in Gmail. Watch to find out how you can undo emails you just sent through Gmail. Produced by Will Wei Follow TI Video ...

You can unsend an email in Gmail, and you can unsend direct messages in Instagram, but did you know that you can unsend a direct message in Twitter, as well? Direct messages are private messages ...