Ключевые слова: application, background, black, blank, browsing, business, cell, cellphone, cellular, communication, connection, cyberspace, device, digital, display, electronic, female, gadget, hand, hold, holding, information, internet, isolated, media, message, mobile, mobile phone, mockup, modern, monitor, nature, network, outside, phone, screen, showing, smart, smart phone, smartphone, social, tablet, technology, teenager, telephone, touch, touchpad, white, wireless,