Ключевые слова: abstract, analytics, background, business, cellphone, communication, concept, copywrite, dairy, desktop, digital, double, electronic, email, envelop, exposure, gadget, icon, interior, internet, mail, message, mobile, monitor, multi, nobody, online, phone, place, process, professional, receive, relation, relationship, research, send, sketch, smart, social, software, study, style, success, symbol, touch, web, webinar, world,