Barcodes are everywhere, and they helped to shape the world we live in. This hour, we'll look at the history and impact of barcodes. Plus, we'll look at the rise of QR code menus and tickets, and talk about what we might gain and lose as we move away from physical objects to digital ones.

GUESTS: 

• Jordan Frith: Pearce Professor of Professional Communications at Clemson University, and author of the book Barcode
• Sean Willard: Menu Engineer with Menu Engineers
• Bailey Sincox: Perkins-Cotsen Postdoctoral Fellow in the Princeton Society of Fellows, where she teaches and writes about early modern English literature

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Colin McEnroe and Cat Pastor contributed to this show.