Immersive definitely got my attention and was one of my favorites from the TechStars NYC demo day last spring. 

emergentfutures:

Face Recognition Makes the Leap From Sci-Fi

SceneTap, a new app for smart phones, uses cameras with facial detection software to scout bar scenes. Without identifying specific bar patrons, it posts information like the average age of a crowd and the ratio of men to women, helping bar-hoppers decide where to go. More than 50 bars in Chicago participate.

Full Story: New York Times