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Learn more uses for them, how to create and scan them, ways to make them pretty, be able to identify their error correction rate, learn to test them without a cell phone, and more.

QR Code image links you to a PDF of the presentation. Ensure you have both a QR reader and a PDF reader on your smart phone.


You might be surprised how little you need to learn in order not to be afraid of opening the door to the code.

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