Federico Mena-Quintero: Tue 2012/Jun/12

You can ship cargo via sailing vessel and take training as a seaman!

I'm happy to be published again, in Silke Helfrich's anthology "Commons" (CC-BY-SA - EPub version), in an article by Nikos Salingaros and myself, "Peer-to-Peer-Stadtplanung: Aus Erfahrung lernen".