There are cameras built into the doors, and one of the images in the Twitter thread shows heat maps being displayed on the screens, presumably conveying informa

There are cameras built into the doors, and one of the images in the Twitter thread shows heat maps being displayed on the screens, presumably conveying information about what the consumers were looking at on the screens. Ads may not have been the only value proposition here, in other words. Data that can be used to improve merchandising may be equally valuable.