A method for sending data to a user device comprises establishing a communicative connection between a first user device and a server, receiving the data at the first user device, caching the data on the first user device, establishing a communicative connection between the first user device and a second user device, determining whether the first user device is moving out of communicative range with the second user device, sending the data from the first user device to the second user device responsive to determining that the first user device is moving out of communicative range with the second user device, and caching the data on the second user device.