Ключевые слова: abstract, assess, automation, background, blogger, business, casual, communication, computer, concept, copybook, data, diary, digital, double, e, electronic, email, envelop, exposure, hands, holding, icon, inbox, internet, journalist, laptop, mail, message, multi, notepad, online, pen, relationship, research, send, service, sketch, sms, social, spam, symbol, system, talk, target, technology, trader, web, writes,