LARGO, Fla., July 6, 2011 /PRNewswire/ -- Valpak Direct Marketing Systems, Inc., a leader in local print and digital coupons, is launching a major initiative using quick response – or QR – codes. (Photo: http://photos.prnewswire.com/prnh/20110706/CL30918) (Logo: http://photos.prnewswir
Source : http://www.prnewswire.com/news-releases/valpak-lea...