The list of Talks in my CV has links to slides for more than 15 talks.
These are my Posters (click for the pdf-Version):
Sharing Is Growing — But We Don’t See It (with Max Held, Hannover 2015)
Modeling the evolution of political landscapes (Helsinki ICCSS2015)
What data landscapes tell us about social processes (GESIS Köln 2014)
Convergence to Consensus in Multiagent Systems (MIT 2011)
Weisheit der Massen (Lange Nacht der Wissenschaft Oldenburg 2010)
Universality of movie rating histograms (Rome 2009)
Fostering Consensus (Budapest 2006)