Apple has filed for patent on a technology they call an "enforcement routine," that'll display ads on pretty much any device with a screen and demand that you view them — or else you don't get your device back:
Its distinctive feature is a design that doesn't simply invite a user to pay attention to an ad — it also compels attention. The technology can freeze the device until the user clicks a button or answers a test question to demonstrate that he or she has dutifully noticed the commercial...
Published on November 15, 2009 10:23