.. so all we need to do is create guest networks on every wifi network, put all routers around the world in public view, and print QR codes to stick next to them. Perfect!
QRs are significantly less useful for laptops, which makes it really nice to be able to enter the password/scan the code on my phone and just send it over to my macbook.
Does it automatically connect after scanning?
On Apple and Android, when you scan a WiFi QR, it pops up a notification that, if you tap on it, results in your phone automatically connecting to the network.