Cute photo of Mark Zuckerberg working out with his 16 months old daughter in the Gym

Facebook CEO, Mark Zuckerberg on Friday morning hit the gym with his 16-month-old daughter, Maxima, who he strapped to his back for a set of push-ups and pull-ups. According to him, 'As soon as I finish she yells 'More! More!' Easily the most demanding trainer I've ever had.'