There is estimated to be 1 surveillance camera for every 4 people in the UK. A damn scarey fact to be honest, when you think the 4.2 million camera are tracking your movement.
Just to increase the level of paranoia, there is a project underway that hope to indentify 'criminals' by what they say.
Dr Richard Harvey and his team at the University of East Anglia are starting a 3 year project to develop a computerised lip-reading system. With funding from Engineering and Physical Sciences Research Council and backing from the Home Office Scientific Development Branch who hope that the system can be used to fight crime.
So we can look forward to a future where not only can Big-Brother watch us it can know what you are saying.