Microsoft has already entered into agreements with major players and it does have several advantages over the market leaders Datamatrix, EZcode and QR, but there are also some unknowns.
At CES, Tikitag was showing a RFID type tag kit including 10 tags and a USB reader development kit at $50. Because of the high cost of the tags, they indicated upcoming support for other types of 2D barcodes.
Regardless there are numerous applications for 2D barcodes in learning.
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