QR codes are everywhere, and for good reason. They're easy to make, easier to scan, and are terrific for delivering info quickly and broadly (or narrowly, if you like). It seems likely that they're evolving, but they're still superuseful right now, and smart folks are uncovering all sorts of cool ways to make the most of them.
Before we get to the tricks, make sure you check out Nicole Cozma's great post for a smart overview and handy guide to creating your own QR codes.Share Wi-Fi access. I wrote this up a while back, but … Read more