File under useful AND hilarious!

For those (of you :-) who use Gmail and are prone to late-weekend-night-post-drinking messages you may regret, check out this new Gmail feature called Mail Goggles:

"Google strives to make the world's information useful. Mail you send late night on the weekends may be useful but you may regret it the next morning. Solve some simple math problems and you're good to go. Otherwise, get a good night's sleep and try again in the morning. After enabling this feature, you can adjust the schedule in the "General" settings page."

It can be activated via the Google Mail Labs icon in Gmail Settings.

Illustration and more details at Google’s Mail Goggles Prevents Drunk Emailing.