Decoding Barcodes: Functionality and Folklore

This chapter explores the mechanics of barcodes, detailing how scanners interpret black and white contrasts to encode product information. It humorously juxtaposes technical insights about 1D and 2D codes with cultural commentary, including urban legends linking barcodes to the 'mark of the beast.' The speakers also discuss the growing reliance on self-service systems and innovate uses of barcodes, revealing their pervasive presence in daily life.