SSRG researchers participated at FOSDEM 2015 (https://archive.fosdem.org/2015/) in Brussels on 31 January and 1 February. FOSDEM is a major international event for free and open source software projects and their associated communities.
Attendees gathering before one of the keynote presentations.
Larry Wall (https://en.wikipedia.org/wiki/Larry_Wall), the creator of the Perl scripting language, during his keynote presentation "Get ready to party!" (https://archive.fosdem.org/2015/schedule/event/get_ready_to_party/)