The film, TV, radio, print, and online industries each have major studios and companies that produce content. In the film industry, the biggest studios are Lionsgate, 20th Century Fox, Disney, and Warner Brothers. They produce blockbuster films directed by top directors like Steven Spielberg. TV channels like BBC and ITV are the largest broadcasters. Radio 1, Capital, and Classic FM are some of the biggest radio stations. Popular newspapers include The Sun and Daily Mail, while top magazines include Four Four Two. Online, Facebook and Twitter are the dominant social media platforms, though there is no single governing body that oversees the online industry.