Tim Middleton 2009 in a Fragmented Review: E-books Are *Vampires, P-Books Are *Zombies:

The interesting thing and perhaps the most encouraging and inevitable thing about this past year in publishing is the emergence of new business modelsreal honest to goodness business modelsthat are going to challenge the old book world. Every time you turn around you hear about the e-book, e-readers, and giving stuff away for free. But what can you do with that knowledge?