An incentive that helps bring about a desired state.Citation of Richard Stallman ...it won't run on a free platform and (...) your program is actually an inducement for people to install non-free software.Richard Stallman's speech in Australian National University on 13 October 2004, Part 2, as seen in this film on video.google.com, circa 40% into the movie. Stallman was talking about Java and flash as inducements for installing non-free software.