ALICE: Hello, this is Alice from Ubersoft's marketing division... we've been informed by our legal department that one of your products is infringing on a patent we own. You'll have to remove the offending code immediately.
CUSTOMER: Which patent is that?
ALICE: Patent #55521899192-2297a... I'm emailing you the specifics.
CUSTOMER: "Use of an 'OK Button' in a commercial software product."
ALICE: You have five working days to correct the problem. Have a nice day.