we already have some ideas about hidden cameras, spy cameras or video cameras. There are both positive and negative impact of these things. Sometimes these make our life easier and sometimes make it difficult. We can keep lots of memories by video cameras that we can see in any moment of our life.
hidden cameras
But hidden cameras or spy cameras bring negative things and unhappiness to us sometimes because people do not know that they are being watched or seen by it. Basically they are kept in the shopping mall and other offices where they are necessary.