Google's most amazing innovation yet: Google Goggles

This has got to be Google's best innovation yet. They've designed a simple system to prevent you sending those drunken, unfortunate emails to people that you really regret in the cold morning light - Google 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?

By default, Mail Goggles is only active late night on the weekend as that is the time you're most likely to need it. Once enabled, you can adjust when it's active in the General settings

Now if only this worked across my phone, Facebook and mac mail...