Ключевые слова: abstract, algorithm, analysis, background, business, cellphone, chart, concept, copywrite, currency, desktop, digital, double, economic, education, exchange, exposure, finance, financial, forex, global, growth, increase, index, information, interface, invest, job, keyboard, market, modern, multi, phone, process, progress, rate, report, script, sketch, smart, social, startup, stock, studying, top, touch, trade, trend, view, world,