/tags/upc/ Recent bookmarks tagged #upc Mon, 02 Nov 2026 08:25:00 +0000 http://www.totse.com/en/hack/magnetic_stripes_and_other_data_formats/upccode.html "Have you ever though of what fun you could have by altering that little set of black bars?"<br/> <p><strong>Tags:</strong> #barcodes #hacking #upc</p> Mon, 22 Aug 2005 14:29:48 +0000 linkding-ssg:bookmark:5241 barcodes hacking upc