We delve into Barcodes and RFID tracing their history and dissecting exactly how they work and where the future of identification technology is headed specifically for shopping experiences.With Vic Hudson and John Chidgey.Previous Pragmatic Episode Links: Episode 16: One Man’s Hopes and Dreams of an RF Bubble Episode 39: Look Ma, No Wires Related Links: Dewey Decimal System Barcode Barcode Reader How Barcode Readers Work - TalTech How Barcode Scanners Work Barcode History Photosensitive Devices Photoconductivity Light Sensors QR Codes UPC-A Symbology QR Code Versions Information Capacities of QR Codes RFID Tesco Scan as you Shop Calgary Co-op RFID Information Support Causality on PatreonEpisode sponsors:Audible: Audible is the Internet’s leading provider of spoken audio entertainment, providing digital versions of tens of thousands of audiobooks for download to your computer, smartphone and MP3 player. Visit the URL below to get your free Audiobook today! Visit audiblepodcast.com/pragmaticto learn more.Mandrill: Mandrill is a transactional Email service that easily ties into your website and apps when you need to send one-off Emails like responses, password resets, acknowledgements and so on. Integrate, deliver, track and analyse using email infrastructure from Mandrill. Visit mandrill.com and use the Coupon Code PRAGMATIC to get 50,000 free Email transactions per month for the first six months.