IMDB

From Imdb's small stream, a gusher of movie facts. "Today, Imdb makes money a variety of ways: from advertising, selling publicity photos, licensing its content, selling movie tickets through partners and offering a premium Imdb Pro service (started in 2002). For $99 a year, Imdb Pro subscribers get granular access to all kinds of industry data, like movie budgets and details about films in production. By chronicling everyone who ever worked on a film, the service has become a de facto directory of most everyone from key grips to producers, actors and directors."