Venkatesh Rao@vgrLifespan inequality. Interesting implication: rich get disproportionate share of social security by living longer.nytimes.comDisparity in Life Spans of the Rich and the Poor Is Growing (Published 2016)Despite advances in medicine, a longevity gap that has long favored wealthy Americans has more than doubled since the 1970s, researchers say.6:32 PM · Feb 13, 20169 Retweets6 Likes