Ключевые слова: alert, answer, business, chat, checking, client, communication, computer, connection, contact, correspondence, customer, cyberspace, design, device, digital, electronic, email, envelope, icon, inbox, information, interface, internet, laptop, letter, mail, marketing, media, message, mobile, modern, network, new, newsletter, notebook, notification, office, online, phone, reading, receive, reply, screen, send, social, spam, technology, work,