On-Demand Mobile Marketing uses physical marketing materials and turns them into digital media that users can engage with by requesting up to 60 seconds of audio, video, or pictures via their mobile device. It provides metrics on host media, cross-campaigns, and return on investment. JAGTAG is the world's first viable 2D barcode system in the US that works across carriers and has 50 times greater reach than traditional barcodes and allows optimized content to be returned to phones. It has advantages over SMS, email, and image recognition as it gets device info and returns optimized content while measuring host media placement and engagement.