http://content.usatoday.com/communit...er-scrolls-v/1

As we've mentioned previously, Skyrim features Radiant Story, a dynamic system that creates random encounters based on a player's progress.
Part of that system is the ability to infinitely generate quests to always give the player something to do.

Yes! I will fetch item X and bring it to person Y at location Z at time 00:00 as many times as you let me. Also, will kill Monster A and bring you # of B to fulfill your ingredient list for some awesome potion.