Gmail Labs (neat but non-standard things you can add to Gmail) has come up with what might be the greatest invention ever devised for students: Mail Goggles.

When you enable Mail Goggles, it will check that you’re really sure you want to send that late night Friday email. And what better way to check than by making you solve a few simple math problems after you click send to verify you’re in the right state of mind?

Brilliant. Question though: where the frack was Google when I was young and foolish?