QR codes like the ones above appear on every poster, magazine, and billboard these days. They let advertisers cut down on words and plop anyone with a QR scanner onto a web page with more info. So what is so special about these? They advertise resources at a library. Garbled-looking symbols take the place of words that in turn lead us to words.
Photo by Rhea and her Android.
Rhea Kennedy Morgenstern, writer 