It was very influential for me too. Here's another one, also from Zed Shaw: https://web.archive.org/web/20120620103603/http://zedshaw.com/essays/why_i_gpl.html

It was very influential for me too. Here's another one, also from Zed Shaw: https://web.archive.org/web/20120620103603/http://zedshaw.com/essays/why_i_gpl.html https://web.archive.org/web/20120620103603/http://zedshaw.co... > Why I (A/L)GPL > Open source to open source, corporation to corporation. > If you do open source, you’re my hero and I support you. > If you’re a corporation, let’s talk business. > I want people to appreciate the work I’ve done and the value of what I’ve made. > Not pass on by waving “sucker” as they drive their fancy cars.