Ключевые слова: app, application, browsing, cell phone, communication, connection, contemporary, convenience, data, device, device usage, digital, digital age, electronic, fingers, gadget, hand, handheld, holding, interaction, internet, lifestyle, messaging, mobile device, modern, person, personal, portable, screen, screen display, screen time, smartphone, social media, technology, telecommunications, texting, touch, touchscreen, utility, wireless,