The difference is that PKZIP’s author died in squalor.
I think he was living with his mom when he died. He also had a terrible substance abuse problem, if I remember correctly.
But the early days of the internet wouldn’t have been as productive without PK ZIP.
>> The difference is that PKZIP’s author died in squalor.
I did not know that. FWIW, the search engine dredged up an interesting commentary on Phil Katz (the “PK” in PKZIP) by someone who seems to have known him well...
http://www.esva.net/~thom/philkatz.html