> > Don't forget that both patent and copyright law are supposed to be
> > incentives for people to make their works available "at large."  
> 
> While I agree for patents, I don't think that holds for copyright. 
> Copyright seems to be following more an "I created it, so it's mine" 
> feeling, along the lines of limited property rights.
> 
> It's difficult to quantify, but I would guess that most copyrighted 
> material never becomes available "at large".

Copyright does *eventually* expire. I seem to recall 75 years in some
cases in the US.
-- 
D. Jay Newman           ! _Linux Robotics: Building Smarter Robots_
jay@sprucegrove.com     ! To be released soon to unsuspecting bookstores
http://enerd.ws/robots/ ! everywhere.
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