@geniusloci.app: THE FIRST SCAN The first UPC scan happened on June 26, 1974, at a Marsh supermarket. What item would you scan first with a new barcode reader? Sources: Wikipedia (Universal Product Code); images: Sokolikmawwer0 / Wikimedia Commons; Def Jam / Wikimedia Commons; Hans Haase / Wikimedia Commons; B.Osborne369 / Wikimedia Commons; Sakamoto.takaichi / Wikimedia Commons; Superplural / Wikimedia Commons; VickHard / Wikimedia Commons. Music: Mendelssohn, String Quartet No. 6, I (Musopen, public domain) http://www.geniusloci.app