Ключевые слова: background, business, businessman, cellphone, cellular, close, closeup, communication, contract, device, digital, effects, electronics, equipment, executive, hand, hands, holding, indoors, internet, job, lifestyle, light, male, man, management, manager, men, message, mobile, office, official, people, person, phone, professional, screen, shirt, smart, smartphone, social, suit, technology, telephone, touch, up, using, view, worker, young,