I’m leaving NPR. As a present to myself, I made this guide to almost every single Social Sandbox post from last November to the present, organized by topic. (Here’s the web version if you want to bookmark it or send it to your coworkers or pass along to a friend.) - Mel
The lapubliclibrary is using huge QR codes (disguised as murals) to communicate with phone apps. It’s called AR — for augmented reality. There’s so much potential here. For example, you could have a spot with a large mural, and an app that would play audio stories associated with that location over time, if the app is pointed at the mural.