Many of you reading this have undoubtedly seen a QR (Quick Response) code by now (the thing pictured to the right), but there's just as much -- if not more -- confusion surrounding them today as there ...

Hundreds of QR codes have appeared on boarded-up homes throughout Baltimore over the past month, as part of a city effort to help residents seeking information on vacant properties. Last year, the ...

QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...