Gee, maybe it's because there's very little housing in Mountain View compared to the number of people who work there and the city refuses to allow more housing to be built? That makes rent there very expensive. People in their 20s are looking at rents that eat up half their salaries - and we're talking Google salaries here. <a href="http://sf.streetsblog.org/2014/09/08/mountain-view-city-candidates-split-on-housing-in-north-bayshore/" rel="nofollow">http://sf.streetsblog.org/2014/09/08/mountain-view-city-cand...</a>