GE's energy division has released a unique online ad to promote its windmill technology. While you'll have to view the video to truly understand, it can best be described as a digital hologram that's displayed on your computer screen. When you print out the template and hold it in front of your webcam, the hologram will appear and move in sync with your template. You can even make the windmills spin faster by blowing into your microphone. Click here to see the video.