Ground Truth is a leading Marketing and Ad Technology company.  They fully understand the un-tapped possibilities inherent in state-of-the-art location-based solutions.  I would highly recommend that you look at their website:  https:groundtruth.com

They have many blog posts which are relevant to what 2du is doing.  For example, here are some great blog posts regarding location based Advertising !

Blog Post #1:  Brick & Mortar Marketing: How to Drive Traffic to your Store

Blog Post #2: Mobile phone Advertising   Note that their discussion regarding how to set up a mobile advertising campaign reflects their system.  The 2du platform does thing differently, but we can discuss that in another forum entry !

Blog Post #3: Geo-Location Advertising  2du does some things differently, but the concept descriptions should be helpful.