[ikreymer]

There are many reasons. From technology standpoint, as the web changes, old technologies may no longer work in new browsers. One case in point: Java applets. A few of the old browsers on oldweb support Java applets, which most likely won't work in a modern browser.

Here's one example: http://oldweb.today/nslinux/2015/http://archive.rhizome.org/...