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Geocaching at Stroossen Wibbelt 2012, Grouss Botz 2012, Hack.lu 2012, HaxoGreen 2012, Nuetsrallye 2012, Open Access and Digitization in the Copyright era, Orwellbox and TOR, PeaceMissions 28C3, Raspberry Pi, SSH - Secure Shell, Science Festival 2011, The Famous Etching and Soldering Workshop 2012, Toolset Workshop