Nice theory... but, sometimes the old stuff is pretty OK. How about time limited GPL instead? Transition to public domain after 5 or 10 years. Or tie it to me

Nice theory... but, sometimes the old stuff is pretty OK. How about time limited GPL instead? Transition to public domain after 5 or 10 years. Or tie it to media copyright terms - If company X wants Y to be public domain, they have to lobby for shorter copyrights on movies. :)