On typography, pornography and infinity. Seminar given online during the Covid-19 confinement, on May 1st, 2020. With Johannes Gutenberg, Johannes Fust, Peter Schoeffer, George D. Widener, Vito Aras AKA Dr. Infinity AKA Vytautas Kerbelis, Lem & John Amaro. ANRTABCD, Letter X