I'd guess people will look back at wearable AI devices the same we look back on wristwatch TVs and calculators. Just because you can doesn't mean you should.
I'm guessing in 50 years we'll still only be carrying one electronic device around - basically a smartphone.
EDIT: "The Worst Product I've Ever Reviewed... For Now"
https://youtu.be/TitZV6k8zfA