Ключевые слова: background, business, call, card, cell, cellular, chips, closeup, communication, connection, contact, cyberspace, dial, digital, electronic, equipment, finance, global, gold, identity, intelligence, internet, isolated, key, macro, magnification, memories, mobility, modern, nanotechnology, network, number, object, orange, phone, security, service, sim, single, smart, talking, technology, telephone, used, white, wireless,