Originally Posted by Amputate Your Head

How do you know that someone isn't using some of your work and never paid for it? Do you consistently follow up behind every contest you do? Suppose the contest holder picks the logo from another guy. In 4 months he decides to use yours instead. Let's say he figures he's already paid for a logo and should be able to pick from any that were submitted. Do you follow these people around forever making sure they aren't using your work?