Ключевые слова: 24, 24x7, 7, aid, always, assistance, availability, available, business, call, center, commerce, communication, computer, concept, contact, customer, day, examine, free, hand, help, helpdesk, hotline, internet, job, maintenance, network, night, online, open, outsourcing, repair, service, support, supporting, sustain, technical, technology, telephone, toll, troubleshooting, virtual, web, work,