The future use of multi-touch technology is expected to rapidly become common place. For example, touch screen telephones are expected to increase from 200,000 shipped in 2006, to 21 million in 2012.
"Multi-touch-sensing was designed to allow nontechies to do masterful things while allowing power users to be even more virtuosic." - Jefferson Y. Han
Check this out: multi-touchscreen.com
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