Ключевые слова: alarm, alert, attention, business, businessman, cam, camera, control, crime, digital, electronic, guard, look, man, modern, monitor, monitoring, motion, observation, observe, person, privacy, private, problem, property, protect, protection, record, safe, safety, scan, search, secrecy, secure, security, see, software, spy, surveillance, system, technology, television, track, tracking, video, view, vision, warning, watch, worry,