Pyro as Bill on 21 September 2010
It's already happening to an extent.
Buy a Valve game and you get a version for all of your platforms so you can play your game on any machine capable of playing it. It only applies to PC-Mac atm but if Sony, MS and Nintendo allowed Steam on the consoles you could have access to your 3rd party game library from any computer/console with cross platform play.
Nov 2016 - NES outsells PS1 (JP)
Don't Play Stationary 4 ever. Switch!
