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 ...

Square, black-and-white barcodes are popping up far and wide. They’re on billboards streetside and at Denver International Airport, on store shelves at Best Buy and Home Depot, and in ads and at the ...