http://www.rand.org/pubs/research_reports/RR1744.html?adbsc=social_20170414_1424691&adbid=852915611436892161&adbpl=tw&adbpr=22545453
Life, the Universe, Software and Everything
http://www.rand.org/pubs/research_reports/RR1744.html?adbsc=social_20170414_1424691&adbid=852915611436892161&adbpl=tw&adbpr=22545453