QR Codes Archive Sort Posts by: List View Grid View Last updated by at July 10, 2013. QR Codes: Should they Stay or Should they Go? Manuel Gil del Real February 26, 2013 MGR News, Mobile Marketing It’s been several years now since the first QR Codes started to appear all over print ads, billboards and all other forms of print advertising, yet the majority of people still don’t know what they are, what they do or how they work. So that’s kind