I found this while browsing my rss reader. It is a popup book with electronics inside it. One of the pages had a large vft that used capacitive sensors to trigger the traps and move the lobes a little. I thought it was quite interesting:
(At 2 min into video)
http://blog.makezine.com/archive/2009/12/electronically_enhanced_pop-up_book.html
(At 2 min into video)
http://blog.makezine.com/archive/2009/12/electronically_enhanced_pop-up_book.html