I built a QR code with my bare hands to see how it works

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John
English
College Students
Concise
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Summary
A personal exploration of QR codes reveals their evolution from Morse code to modern usage. Initially dismissed as unattractive, QR codes became essential for various applications, including payments and health records. Their design allows for error correction, making them reliable. Despite concerns about safety, QR codes' capacity for data storage ensures their continued relevance.
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