Quick response barcodes added to print ads enables potential cinemagoers to scan them via a mobile app to unlock extra content like behind-the-scenes videos or unseen clips from the film. In 2011, UK film distributors invested over £330 million to promote their film releases, with £196.4 million spent on media like television, outdoor, press, radio, and internet advertising as well as £135 million on film prints, digital copies, trailers, and related costs. Television advertising saw the highest expenditure of £90.2 million while internet advertising saw £8.45 million.