Patent ID: 8245310

Claim:
A system comprising: one or more computer-readable media; a first license file embodied on the one or more computer-readable media and associated with a first piece of content, wherein the first license file includes policy expressions that affect a user's rights with respect to a second and/or additional pieces of content that comprise a presentation that includes the first, second and/or additional pieces of content, the first license file configured to be distributable and processed by a client-side digital rights management runtime environment to which the presentation is distributed; a second license file embodied on the one or more computer-readable media and associated with the second piece of content, wherein the second license file includes policy expressions that define rights associated with the second piece of content as a function of a state of an attribute associated with the first piece of content, the second license file configured to be distributable and processed by the client-side digital rights management runtime environment; wherein the policy expressions contained within the first and second license files are executable by the client-side digital rights management runtime environment; wherein, independent of a device associated with the client-side digital rights management environment being online, the policy expressions are executable by the client-side digital rights management runtime environment; and wherein, independent of the device associated with the client-side digital rights management environment being online, the content is configured to be consumable by the device.