CCTV, or closed-circuit television, is so much part of our daily lives that we tend to give these video surveillance cameras barely a second thought. But while CCTV's all-seeing 'eye' can provide a high level of security and reassurance, a good deal of society objects to the scope and power of today's surveillance technology. Indeed, CCTV is ubiquitous. We see cameras in banks, shops, and offices. They're installed across transport networks and overlook numerous public places. We even wear them! But how did this essential but often contentious piece of equipment evolve, and where in the world are you watched the most?
Click through and focus on the history and wide-ranging applications of CCTV.