sigizmund #274081

August 19, 2008

Hadoop User Group UK at Skills Matter Limited

March 5, 2009

Geospatial Aspects of Mobile Social Networking - Killer App or a Blind Alley? at BCS

July 7, 2009

YDN Tuesday: Placemaker at Skills Matter

September 29, 2009

Future of Web Apps - London 09 at Kensington Town Hall