US Patent 8260657 Dynamic pricing of electronic content

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for dynamically pricing electronic content. In one aspect, a method includes determining a likelihood that a group of users will repurchase an item of electronic content, determining that a particular user is more or less likely to repurchase the item of electronic content than the users of the group, in response to determining that the particular user is more or less likely to repurchase the item of electronic content than the users of the group, adjusting a base price associated with repurchasing the item of electronic content, and providing the particular user with an offer to repurchase the item of electronic content at the adjusted price.