Ключевые слова: alertness, area, background, building, business, camera, cctv, ceiling, control, crime, danger, digital, electronic, equipment, guard, home, indoor, industry, innovation, lens, look, modern, monitor, monitoring, observation, observe, office, outdoor, privacy, private, property, protect, protection, record, safe, safety, secrecy, secure, security, spy, street, surveillance, system, technology, television, urban, video, view, watch, white,