Ключевые слова: analyzing, application, banker, black and white, broker, business, businessman, cell phone, chart, communication, corporate, data, device, digital, employee, equipment, executive, finger, grayscale, hand, holding, internet, keypad, looking, male, man, message, messaging, mobile, mobile phone, modern, person, phone, professional, reading, screen, smart phone, smartphone, technology, telephone, text, touch, touchphone, trade, trader, typing, using, wireless, work, wristwatch,