The National Broadcasting Corporation (NBC) is an American English-language commercial terrestrial radio and tv network that is a flagship property of NBCUniversal, a subsidiary of Comcast. The network is headquartered at 30 Rockefeller Plaza in New York City, with more big offices near Los Angeles (at 10 Universal City Plaza), https://wowa.mybuzzblog.com/3785725/shocking-information-regarding-sports-exposed