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Re: Sharing the Family PC is Patent-Pending

From: Barry Margolin
Subject: Re: Sharing the Family PC is Patent-Pending
Date: Fri, 07 May 2004 18:41:56 -0400
User-agent: MT-NewsWatcher/3.4 (PPC Mac OS X)

In article <>, Daeron <> 

> Barry Margolin wrote:
> >>Aren't all the mainframe timesharing systems, some of which were
> >>around 30 or 40 years ago, which maintain separate user sessions each
> >>with their own environment, prior art for this?  As I recall, the APL
> >>system actually called saved environments "workspaces".
> > 30 years ago, computers didn't even have "desktops", so I don't see how 
> > they could be considered prior art.
> The 'desktop' being a metaphor for processes running in a particular 
> context. The said processes also being restricted as to what they could 
> access. Nowadays three, at least, of those process controll the mouse, 
> keyboard and screen. Nothing new here.

I thought "the desktop" referred to features of a graphical user 
interface.  Sure, it's a metaphor for things that existed 30 years ago, 
but the metaphor itself didn't exist then.

Barry Margolin,
Arlington, MA

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