Dancing geisha-bot video (5 MB). It's
mocap but still pretty darn cool.
Also,
eye-implantable mini-telescopes. Sure, today they say it's just for ameliorating macular degeneration and other age related diseases, but before you know it there'll be mall kiosks offering zoom/tele lenses to teenagers along with the usual
eye piercings. (Of course,
intraöcular lens implants and
dangly contact-lens jewelry are already old hat.)