https://www.vedomosti.ru/technology/articles/2009/12/08/rossijskie_sotovye_operatory_zarabotali_1_mlrd_na_dopolnitelnyh_uslugah?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=rossijskie_sotovye_operatory_zarabotali_1_mlrd_na_dopolnitelnyh_uslugah