1. An electronic device for presenting digital content, the device comprising: a computer-readable storage medium, not comprising a propagated signal, storing computer-executable instructions; and a processor responsive to the computer-readable storage medium the processor when executing the computer-executable instructions performs the steps of: accessing a digital license including a key responsive to an input from the electronic device, the digital license including a digital license identifier, a grant under an intellectual property right to access a primary digital content item associated with the digital license identifier, and a condition to which the digital license is subject, wherein the condition further specifies required consumption of a predetermined number of content segments of the secondary digital content item; identifying, using the digital license identifier in the primary digital content item, a secondary digital content item comprising an associated data structure storing the digital license identifier and including a plurality of content segments, wherein the data structure further stores signed information about at least some of the plurality of content segments; verifying, using the key, the integrity of the signed information of the secondary digital content item to permit presentation by the electronic device of verified content segments of the identified secondary digital content item; repeatedly identifying and presenting the verified content segments of the secondary digital content item; recording information associated with amount of presented content segments of the secondary digital content item; determining from the recorded information whether the predetermined number of content segments were presented during the presentation of the secondary digital content item to satisfy the condition; and permitting the electronic device to access the primary digital content item associated with the digital license identifier only when the condition has been satisfied.