Barcodes are generally ignored. They are now just there. 'There' being everywhere! Because of that fact, they are also potentially fascinating; that and because they are also so puzzling. I came across a program called Zint which produces all sorts of barcodes. Here is my first attempt.
Code 128 (ISO 15417)
)%5B2%5D.png "Marginalia55 (Code 128 (ISO 15417))")
