On Tuesday, April 9th at 2:00 p.m. EST / 6:00 p.m. GMT / 9:00 p.m. in Istanbul (EEST), @MITCoLab (https://twitter.com/MITCoLab) will host a live #citychat (https://twitter.com/search/realtime?q=%23citychat&src=savs) conversation on Twitter about social inequalities in urban transportation, automobile dependency, and the relationship between transit and human rights. We???ll look at the case of Istanbul, but we want to hear perspectives and issues from all cities.