Check:
news.bbc.co.uk/1/hi/world/europe/7949018.stm "A Finnish computer programmer who lost one of his fingers in a motorcycle accident has made himself a prosthetic replacement with a USB drive attached.
Jerry Jalava uses the 2GB memory stick, accessed by peeling back the "nail", to store photos, movies and programmes.
The finger is not permanently attached to his hand, so it can be easily left plugged into a computer when in use."
A cross between 'eeeeew' and 'cool' at the same time.