QR codes , can someone explain ?
Question by olohitah: QR codes , can someone explain ? I downloaded a free QR code reader app for my smartphone. This program also creates codes. I love it and have been playing with it ever since and...
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Question by my_pixie19: Can someone explain to me about QR codes? What phones can you scan them on? How do you scan them? Are there different codes for different types of smart phones? Thanks in...
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