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0:17
YouTube
ExplainThatFast
How QR Codes Work (and Why They’re Everywhere) #QRCode #TechExplained #SmartTech #HowItWorks
QR codes are everywhere—but how do they actually work? In under 5 minutes, this video breaks down the surprising history, how your phone reads a QR code, why they exploded during the pandemic, and what the future holds. Perfect for curious minds who want fast, smart explainers on everyday tech. 📱 From contactless payments to smart ...
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