Here's an interesting read. This is one thing I haven't ever imagined I'd see in a book. So I never even thought of it regarding e-books. Advertisers think of everything.
"Growing e-book sales and the opportunity for targeted advertising mean space in e-books is ripe for corporate messages. Add rapidly falling e-reader prices and the planned Google e-book store and the pressure is on for publishers and retailers to increase revenue from digital books."
If that is the future of e-books I can't imagine reading too many of them. After all, I'm the kind of person who stopped watching TV because I was sick of the commercials.
Amazon's e-book Sales...and some Considerations
"Amazon has told Pocket-lint that it expects Kindle e-book sales to eclipse paperback sales by the end of 2011, and to eclipse combined hardback and paperback sales shortly after that in the US."
But here is an article with a more conservative point of view about what Amazon is saying.
All in all the e-book is winning the price war over the paper book, maybe just not quite as fast as Amazon would like to think.