Didn't they post this a year ago?
I thought I could see the future or something.
Nice! Yeah, looks like it's been in the works for a while... Definitely more detail in the post though.
The sign itself was announced a year ago and you've been able to play with it since, but this new blog post is about how the project came to be and the technical implementation. It's a fun read.
I thought I was having the most specific déjà vu ever.
Rad, but they need a webcam.
...and convince the Powell's Books across the intersection to point it out one of their windows.
Doesn't seem to work. The HTTP request return a 500 internal server error...
I'm in Portland and I can confirm this sign is awesome and a blast to play with. <3