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history of software freedom
in the beginning, all users were free
computers [examples?] came with software
software source code was shared freely
companies saw no reason to lock it away or forbid sharing and modification
something about hackers and the MIT model railroad club?
proprietarization
mostly through the 1970s
IBM in 1969[?]
copyright extended to software
"Open Letter to Hobbyists"
GNU
FSF
EULAs
legally-binding contracts
began as a way to limit warranties and disclaim liability
in the mid 1980s, became popular in forbidding sharing and modification
Linux
open source, Netscape
something on DRM maybe?
modern EULAs
limit free speech
allow developer to change software remotely without notice
to add:
FSF
FSD
Linux
open source, Netscape
one or both:
commercial free software
many believe that money can't be made in open source and free software
logical fallacy, false exclusionary disjunct
if a license said that software can't be offered for a price
it would be non-free
...
copyright law and free software and open source licenses
freedom 0 isn't affected by copyright law
free sw licenses work only on copyright law, never on e.g. contract law
licenses must authorize (in U.S. law):
reproduction of copies of work
preparation of derivative works based upon work
distribution of copies of work
"public domain" troubles
license examples
copyleft vs. permissive
GPL licenses, BSD licences, Expat and X11 licenses, Apache license, etc.
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