I think DynamicLand should abandon their color-dots based encoding system, and use a modified QR Code. QR code is a completely debugged barcode system that does

I think DynamicLand should abandon their color-dots based encoding system, and use a modified QR Code. QR code is a completely debugged barcode system that doesn't require a color printer. I happen to own a nice big 50lb Canon Color Laser right next to my desk, but in academic environments, black and white lasers are only available, for the simple reason that color lasers cost 4x per page of monochrome printers. My toner cart set is more than the printer cost!