Ключевые слова: abstract, advertising, background, black, box, bright, business, commerce, concept, cyber, deal, digital, discount, effect, electricity, electronic, energy, event, finance, flare, frame, friday, futuristic, glow, glowing, green, information, internet, light, line, marketing, modern, monday, offer, online, price, promotion, retail, sale, shop, sign, space, special, store, technology, texture,