Ключевые слова: alarm, alertness, background, big, blurred, brother, building, business, camera, cctv, control, crime, detection, digital, electronic, equipment, guard, industry, innovation, interior, lens, look, modern, monitoring, observe, office, outdoor, people, precaution, privacy, private, property, protect, record, safe, safety, secrecy, secure, spy, surveillance, system, technology, television, urban, video, view, wall, watch, white,