Ключевые слова: abstract, author, background, blogging, business, businessman, communication, concept, correspondence, dairy, desk, digital, double, electronic, email, envelop, exposure, financial, hands, icon, increase, information, internet, items, laptop, mail, man, message, mobile, multi, multitasking, online, pattern, plan, press, push, reading, research, screen, send, sketch, social, spam, symbol, table, typing, using, verification, web,