Book Reviews
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Thursday, June 21, 2007
![[Item Permalink]](http://radio.weblogs.com/0112083/images/ur_bullet.gif){kind=small} Using a data matrix -- Comment()
Every once in a while you see a data matrix, which is a format for coding information into matrix barcodes. Below is the URL of this site in a data matrix. This may become popular with cameraphones.
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