十指觸板

"The Synaptics Gesture Suite enables computer screens to recognize touches from up to 10 fingers at the same time. In the past, two-finger gestures, like pinching to zoom, were the norm on devices such as the iPhone."  http://mobile.venturebeat.com/2010/04/19/with-synaptics-multitouch-gestures-linux-gadgets-can-match-the-ipad/