Ключевые слова: 61, aged, business, businesspeople, cell, cellphone, cheer, client, collaboration, collage, colleagues, cooperation, correspondence, customer, device, digital, dispatcher, elderly, female, girl, happy, helpline, internet, joy, manager, notification, old, online, operator, partners, phone, regime, retired, serious, service, silhouette, smartphone, smile, sms, strict, support, telemarketing, textbox, timetable, together, two, woman, work, worker, young,