. The city of London spent the equivalent of over $380 million for over 10,000 surveillance cameras. These cameras have proven successful in reducing crimes such as burglary, pick pocketing and purse-snatching, but haven't done much to solve or prevent violent crimes such as rapes, armed robbery and murder.
There is even a school that issues notebook computers with built in webcams to students. They can turn the web cameras on any time they want to spy on the unsuspecting students.
There are spy cameras in schools, offices, home and even in vehicles. Usually spy cameras are used to prove that something wrong or illegal is happening but there will always be those people out there that will use them for their own personal uses such as spying on friends. As with much of the technology out there spy cameras can be used for good and evil since they are so intrusive.
You can find spy cameras almost anywhere, they can be in pens the button of a shirt or in an unsuspecting thermostat. You can also get in them in wired and wireless models.
If you use a wireless unit you must have a transmitter and a receiver. If you are using a spy camera that has a built in digital video recorder the camera is completely self contained. All you need for a wired camera is to hook it up to a video recorder or monitor.
This is a great tool for those parents who are worried about leaving their children alone or with a babysitter. They can use these cameras to make sure that everything is going on as it should as well as making sure that their children are being properly taken care of.
In an ideal situation for a business owner, he or she would have spy cameras to keep track of employee productivity as well as to protect themselves from wrongful harassment lawsuits. These cameras can also help to reduce the amount of theft in the office.
Suspicious spouses even use spy cameras to find out if their spouse is really cheating on them.