Mechanical sympathy for QR codes: making NSW check-in better

Governments here in Australia have been telling us to keep distance from each other. Surprisingly, the same government has simultaneously put out posters that required people to get close, unnecessarily. They contain QR codes for contact-tracing check-ins that are small and dense, meaning they’re hard to scan. How could they be better? Here’s how: Three pages placed horizontally. They all contain a 'we're covid safe' logo, text like 'please check in before entering our premises.' and a QR co...