Amazon announced it will sell books online—by the page. This is not a ploy to spoil the end of mystery and suspense novels. This is Amazon's competitive response to eBay's own long tail-inspired sales initiative.
Seth Godin saw this "page by page" approach on eBay awhile ago. Amazon has been quick, and smart, to jump into the fray. The Long Tail gets longer and creates some interesting publishing opportunities in the process.