Ключевые слова: airport, app, business, businesspeople, businessperson, call, cellphone, chat, chatting, check, checking, conversation, document, documents, employee, flight, hand, hands, hold, holding, holding smartphone, hotel, internet, job, journey, mobile, mobile app, online, paper, passport, people, person, phone, professional, smart, smartphone, support, talking, technology, text, texting, time, times, travel, trip, typing, work, worker, working, writing,