The world’s largest QR code has been carved into a maize (corn) field in Lacombe, Alberta. “At well over 300,000 square feet the QR Code is more than 14 times larger than the previous world record set in Toronto in June.” ((What’s with these Canadians and giant QR codes, eh?))
It works too, if you happen to be flying over with a smartphone. Don’t say we don’t cater to a diversity of interests here.
Silenced government scientists finding new ways to communicate their findings, maybe?