By the time Apple's Macintosh operating system finally falls into the public domain, there will be no machine that could possibly run it. The term of copyright for software is effectively unlimited.
While the creative works from the 16th century can still be accessed and used by others, the data in some software programs from the 1990s is already inaccessible. Once a company that produces a certain product goes out of business, it has no simple way to uncover how its product encoded data. The code is thus lost, and the software is inaccessible. Knowledge has been destroyed.
Is it possible that software is not like anything else, that it is meant to be discarded: that the whole point is to always see it as a soap bubble?
Not only is UNIX dead, it's starting to smell really bad.
Obsolescence and death, the reign of the archaic, the abandoned, and the corny: Really, if you saw Windows 3.0 on the sidewalk outside the building, would you bend over and pick it up?!?
While the creative works from the 16th century can still be accessed and used by others, the data in some software programs from the 1990s is already inaccessible.
The Adobe flash plug-in is non-free software, and people should not install it, or suggest installing it, or even tell people it exists.