https://www.vedomosti.ru/business/news/2013/05/02/mobilnaya-auditoriya-facebook-prevysila-750-mln-polzovatelej-v-mesyac?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=mobilnaya-auditoriya-facebook-prevysila-750-mln-polzovatelej-v-mesyac