Techdirt points out an interesting query in Slate asking why book publishers appear to be making the same mistake that record labels did
with the iTunes service with DRM, and single-vendor lock-in. "Back in 2005, we noted that Apple's dominance over the online music space, which upset the record labels tremendously, was actually the record labels' own fault for demanding DRM. That single demand created massive lock-in and network effects that allowed Apple to completely dominate the market. If the record labels had, instead, pushed for an open solution, then anyone else could have built stores/players to work as well, and it could have minimized Apple's ability to control the market. Yes, everyone is now opening up (including Apple), but it took a long time, and Apple had already established its dominant position. So why are book publishers doing the same thing?"