Internet of Things
The Internet of Things (IoT) is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique identifiers and the ability to transfer and receive data over a network without requiring human-to-human or human-to-computer interaction.
Wearables are portable devices that collect and/or deliver information to the person wearing it. Smart watches, and activity trackers are examples. Body cameras and personal GPS devices are other examples. Wearables that have a Wi-Fi or internet connection capability are part of the IoT universe.
Smart Glasses and Augmented Reality
Smart glasses and augmented reality devices that are connected to a network or Wi-Fi, or even blue ray to another device (which in may be connected to some network) are connected-wearables, and therefore a subject of wearables which in turn are a subset of IoT.
Therefore, one can describe augmented reality devices as an IoT device, and/or a connected-wearable device Augmented reality actually was initially called wearable computing by pioneers like Steve Mann, Jaron Lanier, and others in the early 1980s and wasn’t labeled augmented reality till 1990 by Thomas P. Caudell, and David Mizella while at Boeing.
Augmented reality devices that superimpose information on your view of your surroundings are different from using a device like a smartphone to give you information about your location or surroundings, or even your destination. Your phone gives you your location, directions and/or information on where you want to go and will give you images of your destination. That is not augmented reality, that is just a sophisticated 2D map. Granted, places of interest and other information may also be available, and that is augmenting the overall informational content of the map. And since your phone can locate you, the information about your destination, and points of interest will change as you move.