Blockchain vs crypto, filling in PDF forms (Adobe Acrobat, PDF Reader Pro, Jotform), viewing your Facebook data, Profiles in IT (Max Levchin, cofounder Paypal and Affirm), evolution of Silicon Valley (from hardware to software), Russian troops using cell phones (deadly idea), and first image of black hole at center of Milky Way. This show originally aired on Saturday, May 14, 2022, at 9:00 AM EST on WFED (1500 AM).