Venkatesh Rao@vgr@pmarca @BenedictEvans mystery solved possiblyQuote TweetNathan Taylor@ntaylor963·Aug 31, 2016@vgr I have Oct 2015, but it was definately commen then. Vaguely recall, 1970s tech book? https://praxtime.com/2015/10/27/pcs-are-clipper-ships/…3:13 AM · Aug 31, 20162 Likes