Image: Screenshot from "Repudo" (app) Repudo was developed by Lucas Tieleman. Leave a digital present, message or picture behind in the real world. Whoever wants to pick it up has to go to its physical location and claim it!
Image: Mar-Ina Uhrig Lucas Tieleman at Ignite Amsterdam 7 Taken at Mobfest day 3: Ignite Amsterdam 7. 25 March 2011.