Grumpy Old Geeks Media Certainty Media Certainty 2 mentions in 1 episode Certainty is a novel by John Twelve Hawks that a host criticizes for its depiction of future technology. Mentions 759: Seeking Mrs. Claude Aug 20, 2026 49:30 Certainty, a novel by John 12 Hawks. 50:08 The future tech that he’s talking about is already here.