Movie studio Warner Bros. has announced that it is serving up Rentals are available from the movies' official Facebook Pages. For now the offer is limited to people in the U.S., but the in-app purchasing model could help boost the number of potential viewers since the payment isn't tied to a local currency. It's unlikely that Facebook will replace more traditional ways of watching movies like DVDs and specialized video streaming services, but we are interested to see how the initiative goes and if other studios follow suit.