Fans have promoted the Twilight films through various websites and blogs. Websites like www.twilightlexicon.com and http://twilightersanonymous.com provide news, images, forums and chats for fans to discuss the films. These sites promote the films through free content and an engaged fan community. Directors also interact with fans on social media like Facebook to share production updates and solicit feedback. This active engagement of fans online helps create buzz and demand for the films with low marketing costs.