I have an idea. To use a charger, you have to scan a QR code with your phone. It makes you part of the charging community. It wouldn't be too hard to start to c

I have an idea. To use a charger, you have to scan a QR code with your phone. It makes you part of the charging community. It wouldn't be too hard to start to calculate an etiquette rating through a mix of user reviews and behavior modeling. If you're consistently an ass about charging, it won't be long before public chargers won't accept you.