The standard plan these days is become a billionaire and then set your sights on going to space. 

It has been the play for Jeff Bezos, Richard Branson and of course Elon Musk, but Mark Zuckerberg the richest billionaire by age (38 and $67 billion) is looking to go further into cyberspace rather than outer space. He has both the time and the money to do it, but it will not be easy. 

Audio credit: Adam Mosseri

Image credit: Meta