Great idea, seemingly simply to implement...and, alas, copy. I hope he gets some marketing / business support quickly, or at least recognition by the company that starts selling these.
I'd buy a set of 3 just to stop the annoying noise birds keep making when they kill themselves trying to fly through my living room.
http://www.mmdnewswire.com/uv-reflective-decals-stop-birds-f...
You can order them for $9.95:
http://www.duncraft.com/Window-Strike-Solutions-C227.aspx