Dynabook Usability
Jack Johnson
fragment at nas.com
Sun Aug 24 17:20:31 UTC 2003
Alan Kay wrote:
> things could be carried in one hand). A number of different calculations
> from 1968 onwards indicated that about 1M pixels were needed to do
> "mostly everything". This number remained quite constant over the years
> and approaches (only being able to contemplate 500K pixels or less in
> the early days of PARC was one of the irritants that led to the
> overlapping window idea).
Does this mean that earlier ideas (and potentially your ideal
environment) were tile-based, like Wirth's Oberon or Plan 9's acme
interface?
(Rob Pike attributes acme's UI to Oberon's UI, and Wirth says Oberon's
UI came from seeing *something* at PARC)
Do you have mockups or screenshots of what you envisioned a 1M pixel
non-overlapping window environment would look like? How do you think it
might have impacted the future course of events if you had 1M pixels
right out of the gate?
-Jack
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