i am justin pearson, and i am representing the geography group, and our work in the san francisco baynd how the unique layout of the bay area affects t.n.c. workers. so the general inquiries that we have for this -- for our section was what are the reasons t.n.c. workers come to san francisco? why are they not working in their own cities? how long are they driving, and we did this through in-person interviews as well as surveys and plotted some of our data using the application mapline. the interviews were conducted with t.n.c. drivers while waiting for or actually on a ride with them. drivers tended to be more amenable to speaking while in a ride while after having being paid for a ride whereas the surveys that would have been conducted by the labor group. okay. so here's our first map. this is a little bit wider out, but besides externality that we see with los angeles, there are a few drivers who took part in this survey that lived outside of the bay area. we see sacramento, stockton, modesto, so you can get an idea that were this to be done in a wider scale, a similar result would