Every so often I land on Amazon.com and notice the homepage has changed. Instead of seeing my usual browsing history, the latest Kindle, or some other carefully tailored offers, I find a letter from Jeff Bezos. A couple of months ago, Jeff wrote to me on a scroll and announced, “Dear Muggles,” in which he explained that the Harry Potter series would now be available to me for free in the Kindle Owner’s Lending Library. On today’s visit, Jeff’s telling me that Amazon Prime is celebrating its 7th anniversary and what a success the program has been. Read the full story at Fast Company.