Ключевые слова: 7, 24, 24x7, always, assistance, availability, available, background, business, button, call, center, click, clock, commerce, communication, computer, contact, copy space, customer, day, e mail, finger, four, help, holding, hour, internet, office, online, open, people, push, service, seven, shop, support, tablet pc, technology, time, twenty, web, word,