that you know the pricing involves multiple neighborhoods in in the work that we've done in the paper we do have the main insights that we have do generalized to networks there's some sort of exceptions to that but I'm not going to devolve that in the talk I think one important problem that my focusing on a single region completely ignores and even the work on networks completely ignores is I guess there's two issues that that that sort of eliminates right so one is the notion of an estimated time arrival or ETA and I