You don't want to go to your local film store? Are you registered on Facebook? Warner Bros. announced today that Christopher Nolan's The Dark Knight can be rented directly on Facebook.
The renting costs 30 Facebook credits (3$) and you keep the viewership right lasts for 48 hours on your Facebook account.
However, this offer is only for the USA. Moreover, Warner Bros. will eventually offer other of its films on Facebook.