There are many security cameras in the city. For example, at the station , in the store. These cameras may be set up for crime prevention but most people doesn't notice them.Setting up security cameras are actually efective or not?
In addition, there is a problem of privacy too. What do you think about this?
Such cameras have not only the purpose to avoid crime but it can be clue to arrest offender. So I think it have meaning. But it is so difficult to choose security or privacy, freedom and so on.
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