commissioner yee riley: great job, jordan. you gave us a lot of information. i have to go home and study it.k those specific time line here regard we have worked with stakeholders to identified 2012 priorities. i would say overall there is a five-year time horizon for this work. >> when is twitter moving in? commissioner o'brien: i would like to weigh in my appreciation of the endeavor. gooi have taken walks down ther, and it is not too pleasant, even in the middle of the afternoon, so anything that would better the airing it is great with me. i think the mayor is sincere about this, because we have learned in the past if we are able to do this in a way that does not involve massive displacement -- i know it is a tricky puzzle to put together, but i know it can be achieved, and it can be implemented with that in mind, people will remember what happens with too much gentrification and economic booms, and some people are still remembering about, so about would be a great part if we could keep that in place. gootracks we are working with a nonprofit organization