Ever wondered why some QR codes don't scan?

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▼ Time Stamps: ▼
0:00 Intro
0:52 1D vs 2D Barcodes
1:31 Notable 2D Barcodes
2:38 QR Codes Explained
4:28 Decoding QR Codes
10:36 Data Matrix Explained
12:22 Decoding Data Matrix
13:10 More 2D Barcodes

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