I feel like that would contradict the information in this article, which says: > Ng said. “In this demo, as soon as you walk out of the viewing area of the dis

I feel like that would contradict the information in this article, which says: > Ng said. “In this demo, as soon as you walk out of the viewing area of the display, the system forgets everything, and all of the data is purged.” If the system tracked you throughout the entire airport, it would not be forgetting you once you walk out of the viewing area. Not to mention, the airport would lose track of you once you enter a bathroom, which afaik don't have cameras