If you've ever, after a few drinks, sent an email you later regretted, Google's got a gadget for you, InformationWeek reports. Mail Goggles, a play on those beer goggles that make you see (and think) fuzzy, activates late night on weekends “to verify you're in the right state of mind,” the company explains, “making you solve a few simple math problems after you click send.” (More Google stories.)