i want to thank becca proda and thank you all very much, ladies and gentlemen, a big round of applause. [applause]. >> thanks, gavin. [applause]. >> being a pedestrian in san francisco is not easy for anybody. >> [inaudible] people push tables and chairs outside the sidewalk. >> i have to be careful not to walk the sidewalk. it is very hard. >> sometimes people get half way across the intersection. >> you have to be alert because there is always something coming up that you need to know about. >> i learned to listen to the traffic patterns. sometimes i notice the other pedestrians, they are crossing, on occasion, i have decided i'm going to cross, too. i get to the middle of the intersection, and i find out that the light has changed. >> we need to be able to work and go from one place to the other and have public transportation. the world needs to be open. >> people on disability has the task of addressing all the disability. when we are talk about the sidewalks, ramps, we have very specific issues. for people blind and low vision, we have the issue of knowing where they are and when