Ключевые слова: 4g, 5g, abstract, app, asian, background, blank, blue, camera, cell, cellphone, censorship, china, chinese, communication, concept, control, device, digital, european, flag, hand, hands, holding, internet, male, man, media, messaging, mobile, national, news, online, phone, photograph, photographing, red, screen, smart, smartphone, social, stars, telephone, texting, touchscreen, using, white, wireless, yellow,