This document announces an open lecture on "Internet and participation" hosted by Prof. Lasse Berntzen from Vestfold University College in Torino, Italy on May 14-15, 2012. The lecture is organized by Daria Santucci from the University of Torino. The event will explore how the internet and Web 2.0 technologies can enable participation in social movements and open government. The schedule includes a discussion of social media and social movements on the first day, and web 2.0 and open government on the second day. Attendees are encouraged to follow on Twitter using the hashtag #internetpart12.