A good article on why e-books are being locked down just to keep the paper industry in business. monki.biz/1r
http://monki.biz/1r
Publishing is a tough industry to be in, no doubt about it. Things are rapidly changing and market forces are being swayed beyond the traditional publisher's influence. Things are now so easy to share and distribute, that these old gate-keepers can no longer steer what people are looking at.