As you enter the local Walmart, watch for the visible part of the software-monitored technology the retail chain has installed near their doors and throughout the store.
High-tech facial recognition cameras are mounted eye level by the entries of their new storefronts, but it's the software behind these anonymous plastic half-globes that has raised concerns (see the video on the following page). These cameras can cross-reference your image with online social media networks and match a name with the face. They can learn a lot more and may be able to track lots of data points. Exactly how much the system can record and track is unknown, but in the video on the next page you can see that it not only tracks faces, but can categorize objects and motion: