Hidden camera is one of a great inventions of modern science. Now we can say that "hidden camera" is popular technological word. Hidden camera is used in various purposes. The purposes of using hidden cameras may be good or may be bad. Indeed it depends on the people who are using hidden cameras. Mainly the intelligence units are using hidden cameras . Many government and non-government organizations are using hidden cameras. Even we have seen personal use of hidden cameras. For the safety of any kind of organization, hidden cameras are important. Hidden cameras are very good medium of observation. But, we have to be careful to maintain the privacy of people when we are using it. Yet, i must say that hidden cameras are essential for the security of people.
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