1. A computer implemented method comprising: at a first peer computing device in a peer-to-peer network, determining what units are on the a peer-to-peer network; using a user interface to create a new selectable collaborative network, the new collaborative network being made known to the units on the peer-to-peer network using a shared unique identifier and without mediation by a server; receiving from at least one of the units an indication that that the at least one of the units has joined the new collaborative network; and collaborating with a unit connected to the new collaborative network.