Share this postHello World!rootnode.substack.comCopy linkFacebookEmailNoteOtherHello World!rootnodeMar 27, 2021Share this postHello World!rootnode.substack.comCopy linkFacebookEmailNoteOtherShareWelcome to rootnode’s Newsletter.Sign up now so you don’t miss the first issue.SubscribeIn the meantime, tell your friends!