Ключевые слова: 7, 24, 247, accessibility, always, assistance, availability, available, background, business, businessman, businesswoman, button, call, clock, commerce, communication, computer, concept, connection, convenience, customer, day, hand, help, hour, icon, idea, information, internet, network, night, online, open, retail, screen, service, seven, shop, sign, support, symbol, technical, technology, text, time, virtual, web, white, word,