What keeps you from beginning your Start Up?
mdasen: Risk.  I'm risk-averse (as most people who objectively have it pretty good are).  I have shit to loose.Bureaucracy.  I hate that I can't just do something.  Ironically, the level of bureaucracy might be less at my job than if I worked for myself because if I work for myself I have to do lots of crap like dealing with laws that govern companies.  I could hire a lawyer/accountant, but that gets back to Risk.Sites like this.  They make you think too much about scaling and building for a billion users.  Databases don't scale.  None of them.  You do have to turn to a dumber object store at some point and loose a lot of query power.  I'm moving past this mental roadblock.Winner-take-all economies.  A lot of what I would like to create isn't likely to result in money.  This isn't because they don't have value.  It's because they aren't good without lots of users.  This is the most aggravating.  Once users are using one thing, even if you're better, they just use that one thing for the same reason that more data trumps better algorithms.