Ключевые слова: 31, abstract, background, backup, banner, business, card, celebration, cloud, communication, computer, concept, connection, data, day, design, device, digital, document, download, file, global, holiday, icon, illustration, information, internet, isolated, march, memory, network, online, poster, privacy, protect, protection, save, security, server, service, sign, storage, symbol, system, technology, text, web, world, world backup day,