today, supergas units have been installed all around the world, from mexico to cambodia to zanzibar.1990's heralded the widespread use of the internet and the start of a new era. superflex were intrigued by emerging communities sharing information online. >> we are the generation of the '90s. a radical new way of distributing music. we thought, maybe there is time for that kind of thinking, applied to the old world, beyond computers and software, which is a very strong medium to communicate with. so we decided to make an open source beer where the recipe was free, the logo was free. we tried to somehow encourage people to copy this beer. we brewed it at the office and at the university of copenhagen. and then, people started copying it around the world. ♪ >> -- the powers that you already have. >> it developed because people keep developing the recipe. they did not understand what open source meant, that you could share a recipe, recycle the ones you have, develop the recipe at the beginning, add on to it. >> it is very much about empowerment of people. this artwork reaches out in a