Barcodes are everywhere. From produce at the super market to tattoo’s on peoples necks. At first glance every barcode looks the same. However, in reality there are many different types of codes that encode data in different ways. Barcode software is able to detect what type of encoding the barcode is using by looking at the layout of the blocks in the code. This in and of itself is a fascinating feat. However, the more fascinating thing is that a seemingly random set of blocks actual can encode some pretty interesting information.
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