Multi-touch
by NG SIN YEE
1. Advantages
1.1. convenient
1.2. funny
1.3. the screen has finger print
1.4. Fast command selection
2. limitations/disadvantages
2.1. easy to break down as we touch it a lot
2.2. Possible arm fatigue
2.3. Difficult to select small items
3. technology
3.1. LLP(laser light plane)
3.2. FTIR(Frustrated Total Internal Reflection)
3.3. ToughtLight
3.4. Optical Touch
3.4.1. New node