Finally, those folks at Google are earning their free lunches.

Today the tech company announced that its Gmail service now has an Undo Send button that lets people stop an email message. Handy for when you wrote that angry rant just to blow off steam, not to actually dispatch. Or when you accidentally hit “reply all” (a pet peeve of many colleagues here at mobileStorm). Or when you have second thoughts about sending spam and realize your sender reputation is more important.

Unlike penning a snap-reaction email, though, the “Undo Send’ requires a little forethought. You have to go into “Settings” and the the “Labs” tab to activate it. And it only delays the message for five seconds–so the service doesn’t replace personal responsibility.

Small inconvenience. And a heck of a lot more useful than the drunk-messager test Google crowed about last fall!