This spring, students at San Jose State University may have noticed two small pixelated squares on posters around campus. If they scanned the square with their cell phones, they would have been linked ...

Matt Renwick is an elementary school principal in Wisconsin. Prior to becoming an administrator, Matt was a 5th and 6th grade teacher. You can follow him on Twitter at @ReadByExample and read his blog ...

INDIANAPOLIS (WISH) — QR codes are becoming embedded in the ways customers engage with brands and are more popular than ever before. The QR code was invented in 1994 by a Japanese automotive company.