Ключевые слова: abstract, air, background, blue, cellphone, cellular, clouds, communication, concept, device, digital, display, electronic, field, gadget, hand, hold, internet, media, mobile, mobility, multimedia, nature, network, networking, outdoors, outside, phone, photo, photograph, picture, screen, showing, sky, smart, smartphone, spring, summer, technology, telephone, touch, touchpad, touchscreen, using, wallpaper, weather, white, wireless,