BIG BROTHER WATCH:Smile -- the camera is pointed at you

Millions of Americans are caught on cameras every day,mostly in retail stores and government buildings.Still,we are not
photographed nearly as much as the residents of London.There,an elaborate network of closed-circuit video cameras capture life on London's streets and inside public spaces.The cameras have proven helpful,as when Britishinvestigators were able to identify the July 2005 subway bombers on film and then hunt down their accomplices.Cameras were of less use,however, in identifying the recent would-be London bombers.Ever since 9/11, the worldwide use of cameras has been on the rise.Civil libertarians are right to raise privacy concerns over the proliferation of cameras.However,few people give the growing use of cameras or their potential for invading privacy much thought.This may change,of course,the day that an unscrupulous videotape monitor posts film of an unsuspecting person's embarrassing moment on the Internet.
That said,cameras are a tool in the anti-terrorism arsenal,which means they are becoming a ubiquitous presence in our lives.But make no mistake,in this new Big Brother world,wherever people are being recorded on videotape they should be told about it on signs posted in plain
sight....
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As in the days of Noah...