Wikimania is a regular international conference organised by the Wikimedia Foundation. Topics of presentations and discussions include Wikimedia projects such as Wikipedia and its sister projects, open-source software, free knowledge, free content and socio-technical aspects related to these topics. The Czech Republic was represented at the conference by Jan Beranek, lecturer, coordinator of the Editor Programs and long-time Wikipedian. He wrote about his experience in a new blogpost, check it out.