"It is a sign in a public space displaying dynamic code that is both here and now. Connected devices in this space are looking for this code, so the space can broker authentication and communication more efficiently." Gorgeous, thoughtful work as ever; I completely love the fact the phone app has no visualisation of the camera's input. Timo's point, about how the changing QR code seems to validate it more, seems spot-on, too.

"Timex sets their watches to precisely 10:09:36 while Rolex waits almost a minute until 10:10:31." Some lovely observations collated by Kottke.