Ключевые слова: analysis, background, book, business, businessman, complex, concept, connection, consult, crash, designer, double, employee, exposure, flow, global, hands, icon, idea, intelligent, international, internet, invest, laptop, machine, man, map, media, multi, network, online, people, push, sketch, social, society, stock, symbol, technology, trade, training, typing, using, virtual, volume, web, workshop, world, worldwide, writer,