Ключевые слова: address, advertising, background, blogging, business, communication, computer, concept, connecting, connection, contact, correspondence, data, design, digital, ebusiness, ecommerce, email, envelope, feedback, global, graphic, icon, idea, inbox, internet, junk, letter, list, mail, mailing, marketing, media, message, mobile, network, networking, notification, online, research, sending, service, smm, sms, social, spam, symbol, technology, work,