Using QR Codes in printed books.

Probably my favorite parts of An Elegant Puzzle is the QR codes
we created for each link as an exploration of how print and digital can comingle a
bit more easily.

As I start thinking about how to turn staffeng.com
into a book, I'm keen to recreate this feature, but even moreso I'm curious
if this time I can push it a bit closer to the original vision.

Cool URIs don't change

Ok, so we know that Cool URIs don't change,
but now that the book has been out in the wild for over a year, the biggest...