General-purpose OCR (the task to properly scan, recognize and categorize information on the card) isn't a solved problem. I like the idea of placing QR Code (or

General-purpose OCR (the task to properly scan, recognize and categorize information on the card) isn't a solved problem. I like the idea of placing QR Code (or Beetag for more aesthetics) on the card for machine processing. There are QR Code readers for every reasonable mobile phone in the world.