QR Code ka Khel – Scan Karo, Par Sawdhani Raho!

English version of the article here Hey Yaro! Aaj hum baat karenge un ajeeb black boxes ke baare mein jo har samay mein tumne har jagah dekhe hain – QR codes! Woh digital code chupke se haath milane jaise hote hain, par kya woh sach mein itne masoom hote hain jitna dikhate hain? Toh chalo, …

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