Amazon is not the only source of ebooks for the Kindle

The Kindle ebook reader from Amazon has introduced hundreds of thousands of people to the experience of reading books on a digital device. A big selling factor for Kindle has been the device's ability to wirelessly purchase and download content from Amazon. Although this is a little too convenient for my budget, immediate wireless ebook purchases supply instant gratification, and people like getting what they pay for right away.

Although Amazon naturally corrals its customers into solely...