Yet the most widespread kite design today is patented and was developed secretly by two men.
Nevertheless, I agree with the author that in the early days collaboration (and competition) between innovative kitesurfers drove the sport forward. Even today the innovation does not come from the main manufacturers who do nothing but repackaging last year's models.
$ docker pull mlgx/turingou-btc
$ docker run -i -t mlgx/turingou-btc