Dynamic assignment of rights to content, such as in a closed distribution
system. Noting state information generated by an item of current content,
and modifying state or rights of new content in response. Preloading or
dynamically sending new content to the owner of the current content, with
rights being enabled only at a later time, in the playback device, with
predetermined conditions. In response to current state information,
dynamically sending a license for new content from a server. Conditional
or dynamic licenses to new content, including a set of rights associated
with a class of possible sets of state information. Assignment of limited
rights to a content, with support in a secure player to enforce them; for
purposes of rental, bonus content, trials and other business models.