The medium which you purchase your software on is in no way linked to the licence. Forget about discs, tapes hard drives and the rest, they have nothing to do with it.
When you click "I Agree" to a licence, you should take the time to read it. You are purchasing runtime code, and the right to run it. Nothing more, nothing less.
The same laws that govern business, governs the games industry too. What applies to one, apllies to the other regarding laws. Only licences that are renewable are subject subscription, something which has little to do with most games. What you have to remember, is that your not purchasing a disc.
And as for the library, you are subscribing to a service, not purchasing it <img src="/ubbthreads/images/graemlins/winkwink.gif" alt="" />
I'm on my own on this, arn't I? <img src="/ubbthreads/images/graemlins/disagree.gif" alt="" />