Share this postThe return of the Bart formationk33research.substack.comCopy linkFacebookEmailNoteOtherThe return of the Bart formationWeek 22, 2022K33 ResearchJun 07, 2022∙ PaidShare this postThe return of the Bart formationk33research.substack.comCopy linkFacebookEmailNoteOtherShareThis post is for paid subscribersAlready a paid subscriber? Sign in