Glow with the Shows Ears (Video)

Disney Parks released a video today showing some more places at Disney California Adventure that the Glow with the Show Ears interact, also mentioned the battery life and that you can replace the battery.

Come “Glow With the Show” at Disney California Adventure Park

Here is my video taken on June 14th of the media event that featured the ears:

DCA: World of Color (Opening + Glow with the Show Ear Hats)

I posted several other clips from the 14th, here is a listing:
https://www.youtube.com/user/disneygeekcom/videos?query=glow+with+the+show

Did you experience one of the Annual Passholder nights? What are your thoughts on Glow with the Show?