I used to hate QR codes But theyre actually genius REACTION

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... ___ ... • I used to hate QR codes. But they're actually genius | REACTION • 00:00 I was wrong • 00:49 How Morse Code revolutionized communication • 03:57 How barcodes work • 10:34 How QR codes store information • 18:16 Why damaged QR codes still work • 29:54 Why are QR codes so common? • 31:21 How safe are QR codes? • 32:25 The future of QR codes • Patreon for full movie reaction:   / rickylife   • Message for any Patreon questions on rickylife99 (Instagram) • If you want me to remove the video: • contact me at rickyrajkumar99@gmail • #veritasium #reaction #qrcodes #rickylife

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