I want to thank Tony from DisneyByTheNumbers.com for sending me this link today! It was so awesome I thought it worthy of a blog post for you!!
The best part is a few minutes in. Edna “E” Mode (one of the minor characters in The Incredibles) – helps us fully understand what all the fuss over Magic Band and My Magic+.
Maybe it’s just because I like cartoons, but this is the most informative and complete explanation I have ever seen in one place. I hope you enjoy it as much as I did!
Disneyways 
This may be the best information, to date, of how this will be used. I am cautiously excited about who much can be done with the Magic Band.