Ключевые слова: abstract, author, background, business, chart, closeup, communication, concept, consultant, copywriter, day, developer, digital, double, e, electronic, email, envelop, exposure, feedback, flow, freelance, graduate, hands, icon, internet, journalism, keyboard, laptop, mail, man, math, message, news, online, particle, project, search, send, social, spam, statistics, sunshine, symbol, target, technology, typing, web, writes,