The dog would see a big 360 degree camera in front of him and it would presumably light up when it was on to let him know he was part of a background that was b

The dog would see a big 360 degree camera in front of him and it would presumably light up when it was on to let him know he was part of a background that was being used/viewed by others. So as long as you don't see any cameras around, you can be pretty sure that you're not part of the background of some weird earnings report that needs to be hosted in times square, at the bottom of the ocean, or inside a volcano.