From: John Brockman < INIMI> To: Jeffrey Epstein <jeevacation@gmail.com> Subject: Karl Sigmund Date: Sat, 15 Sep 2018 05:01:49 +0000 Karl is the real deal. He came by this week and I told him to meet you but you had already nailed it down. He figured out how utterly central Trivers is to what's happening with the Internet and social media. It's all about indirect reciprocity. And,in the regard, Bob Axelrod, who I wrote you about started it all. EFTA01023053