Steve Jobs Bullied Record Execs Into iTunes Deal on Christmas Eve (Gizmodo)
The article recounts how Steve Jobs used the power of the iTunes Store to force the record companies to go DRM-free.
This is what I believe Jeff Bezos has in store for ebooks. He's already using Amazon's power to get books converted and to lower the price (on Amazon anyway). Once Amazon reaches it's own "tipping point" they'll be able to go DRM-free and open the door to other readers.