My apartment is running out of space for all these books, and maybe the solution to this is that I need to borrow from the library more often instead of buying my own books. I really wish I could have an e-reader, but again, I don't want to spend money on things that will lock me into a single vendor indefinitely and might just arbitrarily go away.
I learned my lesson in the early-00s when online music purchases were DRM'd and I lost a lot of my collection due to Yahoo music shutting down. I also remember one of the problems being that purchases made in one store would not be compatible with a competitor's MP3 player, which locked you into a single vendor. Couldn't switch to iPod because it didn't work with the DRM that was designed for my Dell DJ (which was a POS that broke all the time but I had to stick with it because of my existing music collection).
I'd hate to have that same problem but with books instead of music.