Ключевые слова: abstract, background, blue, business, call, card, cell, cellphone, cellular, closeup, communication, concept, connection, contact, electronics, finger, girl, hand, hold, internet, isolated, macro, media, message, mobile, mobilephone, modern, multimedia, network, operator, people, phone, provider, service, sim, sim card, simcard, sms, speak, talk, technology, telephone, white, wireles, woman,