Microsoft 'Tags' 2 billion real-world objects with its phone-friendly barcodes

Microsoft might be late to the cameraphone-able barcode game, but it appears to be making up for lost time. Its multi-colored (and, frankly, rather attractive) Tag barcodes added a few important innovations on top of the general QR code concept, and apparently to good effect: 2 billion Tags have been printed since the January 2009 launch, and 1 billion of those Tags were printed in the past four months. Sounds like Microsoft has found some momentum, and they claim to have gained a lead in the

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