He had the resource of being in the right place at the right time (i.e., market opportunity).  Facebook did not exist at the time, and the social media market, which a college student could disrupt, wasn&#x27;t saturated.  What would he have started today?  We can look at Airbnb or Uber as this decade&#x27;s runaway success, but neither of those could have been started by a solo college student.  Don&#x27;t underestimate the power of luck in determining startup winners and losers.