This is a long powerpoint presentation but worth skimming. Digital Textbooks: A Perfect Storm For Higher Learning. Sounds like it’s only a matter of time before e-textbooks are the norm.
P.S. notice the live traffic feed box on the right side of this page (I haven’t noticed such before).
It is long, but it’s thought-provoking and many of the slides are there just to illustrate resources that are available. Thanks for the link, Brenda.