In what is clearly yet another attempt to try and force the cost of digital downloads upwards, Warners are trialling variable pricing:
The test, which will run for a limited time, will mean that “consumers can actively help set prices for select digital albums”.
Consumers have, of course, been busily setting prices for digital albums since Napster became popular - we're not entirely sure that 'zero' is quite what Warners has in mind.
Selling less popular stuff for lower prices and more popular stuff for higher prices. We're not sure that's all that groundbreaking, is it?