For those saying Steam does not add convenience to the everyman gamer, please look above.
Yes, and OnLive (and other gaming streaming services) add even more convenience.
- "What is this "downloading" that you speak of?"
- "I bought a console game and got this disc. What am I supposed to do with it?"
- "What do you mean I need to update graphics drivers? What are graphics drivers?"
- "What do you mean "on what platform/OS/console are you trying to run the game?"? Why should it matter?"
Yet, I personally still prefer the "harder way", even if it means a few extra mouse clicks. But for the masses it may be different.