Before revision: Fairview is a secret program under which the National Security Agency cooperates with the American telecommunications company AT&T in order to collect phone, internet and e-mail data of both the U.S. and foreign countries' citizens at major cable landing stations and switching stations inside the United States.
After revision: Fairview is a secret program under which the National Security Agency cooperates with the American telecommunications company AT&T in order to collect phone, internet and e-mail data mainly of foreign countries' citizens at major cable landing stations and switching stations inside the United States.