On Feb 6, 7:46=A0pm, "Michael J. Mahon"  wrote:
> warren wrote:
> > Rare Polytel Keyport 717 for auction on Ebay.
>
>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3D270338726827&ssPag.=
..
>
> An interesting input device.
>
> Makes one think about the optimum number of keys to use as a human
> interface:
>
> - Too few and lots of keystrokes are required to specify an operation.
> - Too many and too much time is spent looking for the correct key to
> =A0 =A0press. =A0;-)
>
> -michael
>
> ******** Note new website URL ********
>
> NadaNet and AppleCrate II for Apple II parallel computing!
> Home page: =A0http://home.comcast.net/~mjmahon/
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."

That thing doesn't look comfortable to type on, either.
--- SBBSecho 2.12-Win32