Yes: for example, writers and documentary film-makers such as Ken Loach, John Pilger, Daniel Ellsberg, and Seymour Hersh, to name a few off the top of my head. Wikileaks is an unprecedented boon to investigative journalists and writers, who, to uncover hidden state activity (such as the secret years-long Operation Menu bombings in Indochina), traditionally have had to find and protect their own networks of anonymous sources and leakers in order to work effectively.