Bloomberg Opinion columnist Barry Ritholtz interviews Rex Sorgatz, the author of 2018’s “The Encyclopedia of Misinformation: A Compendium of Imitations, Spoofs, Delusions, Simulations, Counterfeits, Impostors, Illusions, Confabulations, Skullduggery, Frauds, Pseudoscience, Propaganda, Hoaxes, Flimflam, Pranks, Hornswoggle, Conspiracies & Miscellaneous Fakery.” His reflections on the intersection of media, technology and culture have appeared in New York and Wired magazines, among others.