Screen International has a good article on the lessons the film business can learn from the music industry. Essentially it comes down to:
The emphasis on piracy needs to mature into a bigger debate about intellectual property – and soon.
They point out:
A workable framework is one that finds a balance, although attaining that, of course, is fraught with risk. Make the controls too tight and you lose innovators and customers. And pirates thrive on protectionism.