(Image credit: Placemeter)

Real-time pedestrian data can help police with crowd control, inform future city planning decisions, and even help you avoid waiting in line. Placemeter is a startup that's using New York's traffic cams to analyze real-time data, estimate the size of a crowd inside a building, and approximate wait times.

One Company Is Trying To Count And Track All Of New York City's Pedestrians | Co.Exist