As AI becomes the backbone for a range of mixed-reality experiences that take place in the urban environment, how will developers address the many ethical questions such an environment raises? These combined technologies offer the potential for enormous good, but it doesn’t take a dystopian to imagine how a sentient, tracking-intensive, interactive physical environment could be used for a range of subtle nefariousness that would be hard to undo once in place. This duo will discuss some of the major ethical issues to emerge from what will be an increasingly realistic, content-rich, and widespread augmentation of the physical world.