QR codes on the Print on Demand NOAA Nautical Charts!
Check out the experiment here!
Yeah, this is super cool, bringing the charts the supplementary data they need for safe navigation!
I asked NOAA why I couldn't access this via their website (the home page, news page or research page) directly and they said that it was still in development and when it has progressed to a beta testing phase, OCS will announce it to the public.