Q: What is a QR code?A: A QR code (Quick Response Code) is a 2D bar code that usually contains a link to a website, e-mails, coupons, etc. QR codes are scanned by using smartphones such as iPhones, Blackberry’s and Android’s equipped with QR code apps that translate the information.QR codes are rapidly becoming common place and can be found in magazines, newspapers, on actual product packaging, business cards and the list goes on.QR code apps can be downloaded free of charge usually and are great to have when attending a trade show as they eliminate the need to carry around masses of brochures.