This story may not have quite the impact if it was coming from a video-game-playing dude in his twenties who spent most of his time on the couch eating chips.
But it's coming from a guy with big ambitions who heads a multi-billion dollar company, and is the second-richest person in the world behind Bill Gates.
Carlos Slim is saying we should only be working three days out of the week. Great! Now what's the catch?