A technology blog for The Economist Group IT team

Wednesday, August 17, 2005

The first PDA?

When I blogged about IBM's SHARK interface for entering text I recalled a device which I'd used around 1990. The Agenda had a "chording" interface for entering text whereby one pressed up to five keys (one for each finger) to generate a letter. I found this link to the Microwriter after seeing Jack Schofield mention the Agenda in passing in the Guardian last week. The "finger keys can be seen above the standard keyboard with one for the thumb at the left. It was tricky to use!
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