Walls have ears....
The microphones can detect conversations 100 yards away and record aggressive exchanges before they become violent.
The devices are used at 300 sites in Holland and police, councils and transport officials in London have shown an interest in installing them before the 2012 Olympics.
The interest in the equipment comes amid growing concern that Britain is becoming a “surveillance society”. It was recently highlighted that there are more than 4.2m CCTV cameras, with the average person being filmed more than 300 times a day. The addition of microphones would take surveillance into uncharted territory.
The Association of Chief Police Officers has warned that a full public debate over the microphones’ impact on privacy will be needed before they can be introduced.
They won't need a high powered microphone to hear my response!
Who was it who said that the novel 1984 was meant to be a warning not a bloody instruction manual?