https://github.com/REAS/studio/blob/master/ThoughtsOnSoftware.md
It was expected that a computer user was also a computer programmer — how else would you make the machine do what you wanted it to?
To reference Howard Rheingold, computers were Tools for Thought.
the first Radical Software publication in 1970 introduced an anti-copyright symbol, an “x” within a circle to mean “DO copy.” Dan Sandin introduced his Distribution Religion in the early 1970s so the schematics for his Image Processor could be “copied by individuals and not-for-profit institutions without charge.”
The Free Software Foundation and its “copyleft” idea has been the pioneer and uncompromising proponent that “any user can study the source code, modify it, and share the program.”