If you regularly use flashcards to build your brainpower but find it too easy to cheat or just inadvertently see through the cards, reader Honda Wang uses QR codes for an inventive solution. More »
Use QR Codes for Flashcards You Can't Cheat On [Clever Uses]
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If you regularly use flashcards to build your brainpower but find it too easy to cheat or just inadvertently see through the cards, reader Honda Wang uses QR codes for an inventive solution. More »