Ключевые слова: address, advice, agent, answer, application, background, business, businessman, call, center, chat, choice, client, communication, computer, concept, connection, contact, cyberspace, digital, electronic mail, hand, help, hot line, icon, idea, information, letter, mail, man, marketing, message, mobile, mobile phone, network, online, person, phone, please get in touch, push, screen, service, smart, smartphone, social, support, symbol, technology, us, web,