I have a feeling one of these sites (Niroka, Skillshare, Codecademy etc...) will be a billion dollar revenue school
A billion dollars a year? How are they going to manage that? How many people out there want to learn to program computers, and how much are they willing to pay for it?
One million customers per year at a thousand dollars a pop? One hundred thousand customers a year at ten thousand dollars a pop? Ten million customers a year at a hundred bucks a pop?