Gov't data retention - how much is too much? / Silicon.com, 10 July 2008
http://www.silicon.com/research/specialreports/datalockdown/0,3800014480,39257533,00.htm
Nick Heath
"The Earl of Erroll, Merlin Hay, has warned against holding increasing amounts of data - such as proposals to retain internet, email and phone records under the draft Communications Data Bill. He predicted that the advent of petabyte storage and advanced "quantum search" algorithms could make it possible for authorities in future to trawl massive databases for behavioural traits which flag people as potential offenders.