As a worker in an assembly line, you are wondering what those video surveillance cameras on the walls are doing. Are they really watching you?

We have all driven past a construction site at some point or another in or lifetime. There are men and women in hard hats operating heavy machinery or carrying tools. Few people stop to think that the types of machines being used such as cranes and bulldozers are very expensive and in most cases are left on the job site overnight.

The late great Charles Kuralt once wrote about the argument that television news can never be quite true to life because the camera's presence alters events. Luckily for him, this argument saved his life and those of others once in the then newly-liberated-from-Belgian-domination Congo; out-to-kill Congolese soldiers acted differently when camera and lights where present.

Video surveillance has been used in the United States for a long time. Banks began using video surveillance way back in the 1960s. This was then extended to hospitals, convenience stores, museums, galleries and other public places in the 1970s.

You have acted on the signs your wife is cheating - she is not as needy, she is increasingly secretive, and she encourages you to go out with friends, among others - with your gardener.

Video surveillance is a great way to monitor what happens inside your home when you are not present.

When it comes to protecting your home or your business, what could be a better option than a surveillance camera? So if you agree with that but you think that it is only for the use of big shot establishments such as groceries, banks, jewelry shops and other businesses, which is definitely wrong.

Few little people know that Apples new iPhone can now be used to watch your home, kids or even your cheating spouse while your away through a mini spy camera and sophisticated remote surveillance software.

This article breaks down the various needs for video surveillance and the types offered.

Around the world, various nations utilize public video surveillance as a leading tool for monitoring movement and possible terrorist acts. Some of these countries have come to rely very heavily on video surveillance for aid in crime prevention.