Amazon prematurely unveiled Kindle Unlimited yesterday morning. This is a new subscription service that costs $9.99 and will allow you to read as many books as you want on a monthly basis. Kindle Unlimited will launch with 600,000 eBook and audiobook titles. Each title will be available to read on multiple devices, such as Android and iOS. A free 30 day trial will also be available when the service launches later this year. Major publishers such as HarperCollins, Hachette, Macmillan, Penguin ...