Following a torrent of revelations detailing governmental and corporate surveillance of ordinary citizens, we discuss the effects of institutional data collection on personal privacy. In the Chair: Joanna Mobed, President (Michaelmas 2013) In proposition: former Shadow Home Secretary David Davis MP; political campaigner Peter Tatchell; and Nick Pickles, director of Big Brother Watch. In opposition: Sir David Omand, contributor to the Iraq Inquiry and former director of GCHQ; and Kenneth Cukier, Data Editor at The Economist. The House Divided: Ayes: 193 Noes: 108 Abstentions: 67