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The mark of the barcode

WHEN we considered conspiracy theory trends on 13 April, we unaccountably failed to mention barcodes, a major subject of scare stories over several decades.

In chapter 13, verse 17 of the Bible’s very strange Book of Revelation, which predicts the end of the world, the author, thought to be Saint John, claims that “no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name”.…

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