Recently I saw a news item that discussed fingerprints and why we have them. It was thought they increased the sensitivity of our fingers to touch. A few days later I was thinking about this and made some observations. We can sense with our eyes and ears and nose. We can record and playback the things we see and hear. I worked as a developer for a time of flight mass spectrometer and that recorded data so I give it the nose job. What I could not think of is what do we have to make useful recordings of what our fingers feel. Any suggestions?