In the last week, I’ve received 3 interesting videos in my inbox:
One notable for the homemade instruments and 2 for the technology itself:

Pharrell’s get happy: do check out the interactivity and technology use, but make sure to read about the scope of the project itself.  http://www.fastcocreate.com/3022066/how-pharrell-and-a-cast-of-hundreds-got-happy-for-a-24-hour-interactive-video

…and then there is the bob dylan’s rolling stone: the channels will eventually change without your input, but you can change them yourself:

http://www.rollingstone.com/music/news/bob-dylan-goes-interactive-in-like-a-rolling-stone-clip-20131119