Mail Goggles? Really? Is it April Fools’ again already?

It’s funny enough that it pretty much speaks for itself…

"It will check that you're really sure you want to send that late night Friday email," Perlow wrote.

"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?"

Google tool to keep emails sober (breitbart.com)

What will happen to all those Gmail users who can’ solve those “simple math problems” even while sober?