QR Codes are becoming more and more popular, but I think this may be the first clock to actually use QR codes to tell the time, and it is the work of the guys over at Berg, who describe it as a clock ...
New Delhi: A QR code printed on the Central Board of Secondary Education (CBSE) Class 12 mathematics question paper led to the music video of "Never Gonna Give You Up" by British singer Rick Astley.
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