Roscoe wrote: >Does anyone : > > Know of a system that can take binary data and output an image to be > printed out, that is then capable of extracting that binary data from > an imperfect scan of the image.
The wiki page on barcodes http://en.wikipedia.org/wiki/Barcode has a list of 2d barcodes including one proprietary one that can store 1MB of data per page. One funny application they suggested for it on their website was to print a sound file of how to pronounce your name on your business card. There appears to be an open source project going for PDF417 http://en.wikipedia.org/wiki/PDF417 _______________________________________________ Gnupg-users mailing list Gnupg-users@gnupg.org http://lists.gnupg.org/mailman/listinfo/gnupg-users
