The perceived value of ebooks has dropped so low that it's necessary to include a lot more «stuff» to make the offer look interesting. (susandaffron.com)
Even though the retail prices of ebooks are usually lower than print, the actual dollar value of ebook royalties may, surprisingly, be higher! (toughnickel.com)
What is the real, intrinsic value of an ebook? (rjeliason.com)