Originally Posted by Daddy32 
And yet, you can still play them. See the difference?
I'm sorry, are you suggesting that in 10 years time there will be no way to circumvent the Windows Live or Steam verification process in case either service no longer exist?
If so, I can put your worries to rest right now for you, because not only do I doubt a gaming verification service will shut down without releasing some kind of "universal unlocker", there will also be several unofficial ways to get around the problem.