Apple patented this in January 2009: "the touchpad is a touch-sensitive area of the device that, unlike the touch screen, does not display visual output. The to

Apple patented this in January 2009: "the touchpad is a touch-sensitive area of the device that, unlike the touch screen, does not display visual output. The touchpad may be a touch-sensitive surface that is separate from the touch screen 112 or an extension of the touch-sensitive surface formed by the touch screen."[1] They've yet to actually implement it in a device, though Palm used an offscreen gesture area on its Prē later that same year.[2] 1: http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN%2F7479949 http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=H... 2: http://prethinking.com/home/2009/5/25/how-to-the-palm-pre-gesture-guide.html http://prethinking.com/home/2009/5/25/how-to-the-palm-pre-ge...