Hidden cameras are always going to be watching you wherever you go in public even though you might not see them they already will have that one eye fixed on you and watching your every move. Hidden cameras also provide good intelligence for a homeowner. They will be able to watch their estate will sitting on the couch or eating. All they need is a few hidden cameras and they are good. You can put a hidden camera in almost anything they have them so small now days that you can put them in a house plant or something.