1. A method comprising: receiving, via a computing system over a network interface from one or more media playback systems that each comprise one or more respective playback devices, at least one respective request for an indication of one or more media items from a given cloud queue of media items, wherein the given cloud queue of media items is one of a plurality of cloud queues that are accessible to each of the one or more media playback systems via a wide area network; identifying, via the computing system, one or more playback policies that are associated with the given cloud queue of media items, wherein each of the identified one or more playback policies restrict at least one aspect of playback of the media items queued in the given cloud queue; and causing, via the computing system over the network interface, the identified one or more playback policies to be applied to respective local queues of the one or more media playback systems, wherein each local queue (i) is stored on at least one respective playback device of the one or more media playback systems and (ii) includes the one or more media items from the given cloud queue of media items, and wherein causing the identified one or more playback policies to be applied to the one or more media playback systems comprises sending, via the computing system to the one or more media playback systems over the network interface, an indication of the identified one or more playback policies.