Relatedly: "More housing density keeps Seattle affordable for younger residents:" http://www.seattletimes.com/opinion/more-housing-density-kee.... Seattle is doing better than SF or NYC: http://www.vox.com/2015/12/23/10657690/seattle-housing-crisi... but still not good enough. Tokyo should be its example: http://www.ft.com/cms/s/0/023562e2-54a6-11e6-befd-2fc0c26b3c....