Ed Felten writes on p2pnet:

Instead, advocates of DRM-bolstering laws have switched to two new arguments. First, they argue that DRM enables price discrimination — business models that charge different customers different prices for a product — and that price discrimination benefits society, at least sometimes. Second, they argue that DRM helps platform developers lock in their customers, as Apple has done with its iPod/iTunes products, and that lock-in increases the incentive to develop platforms. I won’t address the merits or limitations of these arguments here — I’m just observing that they’re replacing the P2P piracy bogeyman in the rhetoric of DMCA boosters.