[racket] Liitin screencast tutorial

My first thought was that it was a bit like MUMPS with its global variables (where global means global among processes and users, not just global in scope). It seems to me that persistence is the right way to do that. The versioning reminds me a bit of WebDAV, or even VMS. 

Sent from my iPad

On Mar 5, 2011, at 5:46 AM, Shriram Krishnamurthi <sk at cs.brown.edu> wrote:

> Nice work -- good luck keeping it going!
> 
> Gerernter's system, which Matthias referred to, is called
> "Lifestreams".  It's a very inspiring vision.
> 
> But Dave's pointer is also apropos.  Xanadu was perhaps guilty of
> architecture astronautry, but the claims behind such systems may well
> require that.
> 
> Shriram
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