The British Film Institute (BFI) is a non-profit organization founded in 1933 to promote understanding and appreciation of film and television in the UK. It operates 2 cinemas; publishes books and the monthly film journal Sight & Sound; has one of the world's largest archives of films, television programmes, and related materials; and organizes the annual London Film Festival. Other activities include providing an information service for researchers, sponsoring educational programmes, and selling copies of material from its archives to film producers.