HollandOpen Conference, June 11 and 12, Amsterdam.

With contributions from Florence Devouard (Wikimedia foundation), Chikai Ohazama (Google Earth), Jim Ayre (European Schoolnet), Guillermo Caudevilla (Vodafone), Antony Satyadas, (IBM), Jason Levitt (Yahoo), Steve Coast (OpenStreetMap) and many many others (incl a poster session of open-search)!