Ключевые слова: advertisement, application, blank, browsing, business, cell, cellphone, chroma, chroma key, chromakey, close up, communication, copy space, device, digital, display, electronic, equipment, green, green background, green screen, greenscreen, hand, holding, key, media, mockup, multimedia, online, online shopping, person, phone, screen, scrolling, smart, smart phone, smartphone, social network, technology, telephone, template, touch, touchscreen, young adult,