Some of the things the new MagicBands will do for you. - oh my lanta. This article goes into some details I was not aware of previously and just makes me want even more for them to have the bands by the time we are there in sept.
What is Fastpass Plus and Disney Magic Bands and My Magic Plus?
Fun fact: It goes around Epcot before stopping because Epcot was still under construction when the park opened. Thus, the ride around the entrance served as a "tour" of what was yet to come. (Or so I learned for a FL history lesson back in seventh grade.