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The GNU Manifesto Turns Thirty

Stallman was uneasy over the increasing encroachment of proprietary software. He’d seen evidence of it in his own lab, when he found himself unable to adapt a new Xerox printer with a program he’d created to alert users to paper jams, and he believed that he had an obligation to protect and nurture the hacker ethos he’d experienced at M.I.T., which valued intellectual curiosity, esprit de corps, and fun over profit.