Ключевые слова: abstract, app, background, blank, blurred, bus, business, caucasian, cell, cellphone, close, communication, concept, connection, device, female, hand, hands, holding, inside, interior, internet, light, man, message, mobile, modern, passenger, people, person, phone, photos, public, screen, show, smart, smartphone, technology, telephone, touch, transport, transportation, travel, trip, up, using, view, white, young,