> QR code Um, solve the public restrooms problem for whom? Granted I’ve been living far from DC for 20 years, but I spent a large chunk of this summer there. Access to public restrooms was the same as it is here in Seattle: only a problem if you’re a street critter. People who can scan QR codes already have plenty of access to restrooms, they just need to at least suggest they’ll buy something. Homeless people and pe…
In parts of the Bay Area, sometimes you can't find a restroom no matter who you are. The UC Berkeley campus during school breaks is one such place. The campus has 0, and the businesses in the surrounding city have very few restrooms, even for paying customers. The subway has restrooms, but they're nearly always closed. You pretty much have to go to a sit-down restaurant (good luck if it's after 9pm). In 2020-1, this was 10X worse with everything being closed.