After years of fighting the pirates it appears the music industry has decided to emulate them for a change. This article in The New York Times talks about how you'll be able to participate in an all-you-can-eat music model with certain cell phone and broadband deals.
Can similar book content deals be far behind? Wouldn't it be great to get access to a Safari or Books24x7 program with a new phone or DSL/cable deal, even if it's just for a limited time? Sure, it would be a series of tiny revenue streams and although the content providers probably wouldn't "make it up in volume" the service would be discovered by countless new prospective customers, many of which are likely to sign up for a regular subscription after the introductory period expires.