Kindle in Education? Problems with usability and accessibility.

When e-readers first were released to the world, I thought I'd be the first on the block to run out and get one.  But I wasn't, and I didn't.  Why not?   

• They are too expensive.
• They don't provide me with the text/content/concept/nonlinear/multimedia interaction I want (not useful for my purposes.)
  
• Issues regarding usability, accessibility, and universal design have yet to be resolved.

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Problems with Kindle in Education:  Looks as if Amazon forgot to do usability and accessibility homework!