16.A device comprising:a network interface to transmit and to receive data;a memory to store a first video and a second video; andone or more processors to:receive the first video via the network interface, over a first time period;receive the second video via the network interface, over ...
when the first UDID and the first set of multiple user-selected content channels selected by the first user are received from the second network device, the first timestamp, andstore, in the database, the first timestamp in association with the first UDID and the first channel subscription da...