Ключевые слова: agency, big data, business, call, caucasian, cctv, center, chroma key, chromakey, city, computer, control, conversation, cyber security, data, digital, discussion, display, green, green screen, headphones, internet, male, man, manager, map, middle aged, mock up, mockup, monitor, monitoring, network, office, online, professional, room, satellite, screen, software, specialist, support, surveillance, talk, technical, technology, telecommunications, template, traffic, transportation, work,