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Aucb.675 fa.editor-p utcsrgv!utzoo!decvax!ucbvax!C70:editor-people Mon Mar 15 07:16:11 1982 Re: Pointing devices >From reid@Shasta@Sumex-Aim Wed Mar 10 22:14:12 1982

The guy who invented the mouse (Doug Engelbart) did so as part of an extensive scientific study of the suitability and efficiency of pointing devices. It's true that manufacturers don't agree on what is the best, but I think that is mostly a "not invented here" issue. There is plenty of solid experimental data that mice work best. Doug did the work 15 years ago, which is so long ago that it is no longer fashionable.

Xerox's optical mouse that is described in the proceedings of the CMU VLSI conference can probably be built for $5.00, thereby providing a strong economic justification for something that already has a strong technical justification.

Brian

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