Free Software History
acamedia & hackers, everything was
    free
late 1960's: distinction between
    users and programmers, first
    complex OSes
AT&T developers create Unix, free
    for academia.
late 1970's: big academic Unix
    projects: X and networking. Both
    are free
mid 1980's: AT&T split, Unix goes
    commercial, legal battle over BSD
    Unix
Richard Stallman starts the FSF