If 1 book could make whole world smarter, it's @GarettJones' Hive Mind. Off-the-charts awesome, a marvel! #PreOrder http://t.co/3NsGdYJ3Nb
— Bryan Caplan (@bryan_caplan) September 13, 2015
from Twitter https://twitter.com/bryan_caplan
September 13, 2015 at 04:34PM
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