Amazon (NASDAQ:AMZN) made news today by announcing a service called “AutoRip ” a tool that allows anyone who has ever purchased an album through the site to download a free digital copy. The announcement has been met with optimism among those who see the potential for a return to album-based sales rather than track-based sales as well as those who believe Amazon’s sales may improve because customers will see every music purchase as a 2-for-1 deal.   Over the past few years the rise of e-readers and tablets has made the e-book industry a booming one and it would ...