Growing numbers of security cameras in cities for the purpose of enhancing social saftey has led to some concerns for a group of citizens. This group are mostly worried about the potential threats of these devices for human liberiy. Accepting this probale issue,I personally assume that the benefits of using these measures considrablity outweigh its disadvantages. As these devices can intrude people’s privacy,they could be potentialy problematic in some societies. In some special cultures like religous ones,plenty of activities in puplic are not illegal but unconventional. Leaking these kind of scenes from puplic cameras can hurt feeling of society members and in advance jeopardize people’s personal lives. As a vivid example, a video got viral several years ago showing how a lady accidentally had caught her husband with another woman while using google map. On the other hand,however, certain various benefits could be considered via using puplic cameras.The foremost value, is enhancin...