1 billion devices in active use worldwide. Products in half of all U.S. homes. 400 phones sold per second. For a company without a traditional loyalty program, Apple still commands one of the most loyal audiences in the history of consumer goods. With the new generation of Apple phones announced, including a $1,000+ phone that is guaranteed to demonstrate the lengths of Apple fan loyalty, there’s never been a better time to look at how Apple owns such a dedicated audience and how you can....