It's up to you

It was reported in the New York Times Sunday that with their pay-what-you-will system, Radiohead sold 1.2 million downloads of their new album, In Rainbows, grossing somewhere between one and five million dollars. The article suggests, with some skepticism, that this could be a new business model. I had a friend who, in the eighties, worked in a California restaurant where the diners were asked to leave whatever amount they thought the meal was worth. She said they consistently overpaid.