For the listener who also appreciates the written word:
(+) The Episode Transcripts: If you like to read along as you listen and/or want an easy way to pull quotes or timestamped references from any episode.
(+) The Intelligence Report: Compendium documents that include Demetri’s take-away’s from each conversation, excerpts from key research and material used during prep phase, and links to documentation, including third-party research & interviews related to each episode.