Interesting article in Wired about how the whole My Disney Experience and MagicBands came about. Thought it a fascinating read. The one question I have that the article doesn't talk about is what's Disney's expectation on how they will recoup the investment long term.
http://www.wired.com/2015/03/disney-magicband/
http://www.wired.com/2015/03/disney-magicband/