ludwig.gatzke #161826

November 2, 2007

Barcamp Berlin 2 & Podcamp Berlin 2 at Cimdata Medienakademie

November 7, 2007

World-Usability-Day in Berlin at Fraunhofer-Institut für Nachrichtentechnik | Heinrich-Hertz-Institut

March 3, 2008

CeBIT 2008 at Deutsche Messe Hannover

April 12, 2011

up.front.ug usergroup at co.up Coworking Space