QR codes have had a lot of hype, and you see them around all over the place — from movie posters, to restaurant menus, to the roof of Facebook headquarters. But a common criticism of QR codes is that ...

While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...