I contacted Red Laser with a couple of questions.  The responses were useful.

Firstly they do not allow for an alternative barcode database, it is
theirs, and theirs alone.  Not terribly surprising as they are
probably trying to drive merchants to register with them.  They claim
to have the largest registry around, 50 million codes.

The second response was much more interesting, and one I should have
thought of.  We have discussed how to do personal tagging of items.
Well, QR codes actualy encode text, so you can actually print your own
QR codes and tag your own items.  Then when you scan that tag, it will
read out whatever you encoded in the QR code.  This way you can use
Red Laser as a reader for personally tagged items as well as UPC
tagged items.

I am liking this more and more.

Dan Rossi

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