There will never be a “next” Facebook or Google or Airbnb. Companies are a product of a specific time, place, technology know-how and need. It’s as if the universe wills them into existence.  Of course, founders play an important role. But there are a lot of Zuckerbergs — tech geniuses who learn how to play the entrepreneurial game — out there. Or entrepreneurial mavens who are also tech savvy (Elon Musk is a good example). If…