The world is going to become similar to His Dark Materials, only with LLMs instead of daemons.
A better comparison would be literally any sci-fi book where everyone has a personal AI. Spider Robinson's Stardancer trilogy is the first one that comes to mind.
Once we have consumer level AR, our personal AI could take 'physical' (really just visual) form that follows us around.
These days, though, I'm beginning to wonder....