Ключевые слова: alarm, background, building, business, camera, cameras, cctv, communication, computer, concept, control, device, digital, doors, finger, footage, gadget, guard, hand, hold, holding, human, indoor, information, internet, isolated, live, looking, man, mobile, modern, monitor, monitoring, office, online, people, person, phone, privacy, protection, screen, security, steps, surveillance, system, tablet, technology, touchscreen, using, video,