John Jack Callahan Books

Success in Motion
Success in Motion

By John Jack Callahan

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To Love Again
To Love Again

By John Jack Callahan

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General Is Missing
General Is Missing

By John Jack Callahan

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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