Now I have this wonderful research idea thanks to @Iwillleavenow's QR code tweet yesterday. Putting up QR code stickers in strategic places at Stockholm central station to measure how many people will scan them during a month.
Now I have this wonderful research idea thanks to @Iwillleavenow's QR code tweet yesterday. Putting up QR code stickers in strategic places at Stockholm central station to measure how many people will scan them during a month.