Dan Deacon takes over your smartphone with clever app
Now this is terrific. Dan Deacon, a musician currently on tour, has an app for iPhone (and Android) that allows him to take over the screens in an audience and display colors or make sounds. The audience becomes more of a part of the show, even part of the instrumentation.
What a lovely idea! I hope to see more of this at future live shows where appropriate. Here's a demo video of the app: