Question: How many profitable companies are out there that started their lives as mobile apps? The PC birthed Microsoft, Adobe, VMWare. The web gave us Google,

Question: How many profitable companies are out there that started their lives as mobile apps? The PC birthed Microsoft, Adobe, VMWare. The web gave us Google, Amazon, and Facebook as giants. I guess Instagram would probably be profitable if it were on its own? Maybe Snapchat is? I don't know how companies like FiftyThree, Flipboard or Foursquare are doing, but you don't hear much about them any more?