Editor’s note: The views expressed in this commentary are solely those of the writers. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news ...
Add Yahoo as a preferred source to see more of our stories on Google. Peering into the past. C.J. Burton/The Image Bank/Getty Images Few objects in the world are more immediately recognizable than the ...
(The Conversation) — Few objects in the world are more immediately recognizable than the barcode. After all, barcodes are all around us — more than 6 billion are scanned every single day. They’re on ...
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