Questions concerning the covert or overt observing and monitoring of someone's activities and behaviours by government agencies, law enforcement, employers, private investigators or members of the public for the purpose of gathering information about them or their associates.
Wikipedia Surveillance is the monitoring of behavior, activities, or information for the purpose of information gathering, influencing, managing or directing. This can include observation from a distance by means of electronic equipment, such as closed-circuit television (CCTV), or interception of electronically transmitted information, such as Internet traffic. It can also include simple technical methods, such as human intelligence gathering and postal interception.