On the show: Why Shazam could be the biggest retail enabler on the planet; can Foursquare discover a revenue source with version 6.0; will Layar help print turn digital dimes into dollars and will you pay $360/year for WiFi in the car plus other stories from ESRI and TouchMedia, our resource of the week and special guest Darya Trushkina, VP Business Development at Game Insight.