With everyone pretty much owning a smartphone now, Rich says the next great mobile frontier is accessories for mobile devices. Google knows this and they have bought fitness tracker FitBit for $2.1 Billion. More than they paid for YouTube. Rich also says that Google needs this because its Google WearOS Devices haven't really taken off as they should. And while Google says that they will never share your personal health data, he believes that Google will erode that promise over time. Information is what Google is into.