Comments on: Jeremy Rifkin: 3D Printing may usher in an era of “free”, commons-oriented, material production

Comments on: Jeremy Rifkin: 3D Printing may usher in an era of “free”, commons-oriented, material production https://blog.p2pfoundation.net/jeremy-rifkin-3d-printing-may-usher-in-an-era-of-free-commons-oriented-material-production/2014/04/07 Researching, documenting and promoting peer to peer practices Thu, 14 Aug 2014 19:11:54 +0000 hourly 1 https://wordpress.org/?v=5.5.15