I have a theory about the second half of that graph. http://imgur.com/nmEsW.png http://imgur.com/nmEsW.png I could be wrong, but surely home computer access p

I have a theory about the second half of that graph. http://imgur.com/nmEsW.png http://imgur.com/nmEsW.png I could be wrong, but surely home computer access plays a role in evening the playing field and raising the bar.