DEF CON 27, Social Engineering Village, 'Chris Kirsch's 'Psychic Cold Reading Techniques' → December 14, 2019 by Marc Handelman in Conferences, DEF CON 27, Education, Information Security, Social Engineering Thanks to Def Con 27 Volunteers, Videographers and Presenters for publishing their superlative conference videos via their YouTube Channel for all to see, enjoy and learn.