I think the work that we were doing raises more questions than it answers so I'm happy with some of the answers we got but I also want to be very kind of explicit with you where I think there's important things missing okay so some of them are on this slide and some of them all mentioned as we go through so one of them is that we're gonna focus on just a single block of time and what do I mean by a block I mean something like let's say rush hour or you know maybe for those of you that were here for Christmas goes talk a