it is Pointng Stick(?) invented by IBM.
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送交者: 社精办 于 2008-11-08, 22:00:31:
回答: 这玩意儿没什么用处华而不实 由 HunHunSheng 于 2008-11-08, 21:39:46:
I have both on Lenovo and Dell (business Latitude model). I rarely use it. Same to touchpad. I always carry a wired mouse :-)
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