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A phone number in the modern world is a second passport. A huge number of services, messengers, social networks, banking are tied to a phone number, and telephone communication is an integral part of business development <a href="https://talimger.org/publ/sovety/preimushhestva_virtualnogo_nomera_dlja_vkontakte/6-1-0-406">https://talimger.org/publ/sovety/preimushhestva_virtualnogo_nomera_dlja_vkontakte/6-1-0-406</a>
