Well I would consider licenses like MIT, LGPL, and some of the CC licenses to be _more_ free than the GPL, so I expect more MIT and public domain code will surv

Well I would consider licenses like MIT, LGPL, and some of the CC licenses to be _more_ free than the GPL, so I expect more MIT and public domain code will survive and continue to be used and available for those people in 50 or 100 years :)