3M’s M2256PW 20-finger multitouch display is quite impressive. 10 ms update rate and smooth tracking. I give two thumbs up.
[Via Engadget]
OK, 3M, what about multi-touch “skin” on the display casing–which would be particularly useful for mobile and handheld devices? 
Loren Heiny is a software developer and author of several computer language textbooks. He graduated from Arizona State University in computer science. His first love is robotics. You may follow him on FriendFeed.
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#Read Super fast projected capacitve touch from 3M: 3M’s M2256PW 20-finger multitouch display is quite impressive…. http://bit.ly/51ajTQ
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