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TamDenholm
on Aug 8, 2011
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Korea’s Tesco reinvents grocery shopping with QR-c...
I'm assuming Koreans have a technology friendly subway since doing this on the London Underground wouldnt really work since you dont get a signal, nor is there wifi or anything.
pwim
on Aug 8, 2011
[–]
Yes, there is signal on the subways in Korea.
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