Ключевые слова: abstract, analysis, author, background, brain, business, businessman, chart, coding, concept, connections, coworker, currency, document, double, economic, education, entrepreneurship, exchange, exposure, finance, financial, flow, forex, global, growth, hands, index, internet, invest, laptop, man, market, math, mobile, multi, multitasking, paperwork, pattern, rate, report, school, single, sketch, skill, stock, trade, trend, typing, using,