@MS243 - There can be "etiquette" issues to consider for sure. Although these already require consideration with existing imaging technologies. It can come down to whether you consider AR as "always on" or not.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.