Ключевые слова: application, asian, background, business, businessman, campus, cellphone, cellular, college, communication, computer, concept, connected, display, education, email, equipment, finance, hand, home, information, internet, job, male, men, mobile, modern, network, old, people, person, phone, senior, smart phone, smartphone, software, student, tablet, technology, telephone, touch, typing, university, use, wifi, work, young,