One way to verify the provenance of digital content and so affirm its authenticity is thru distributed ledger technology . Some imagine the very use of AI algorithms in social media has created filter bubbles, echo chambers and algorithmic confounding. First, artificial knowledge is getting used to coach AI models in ways in which real-world information can’t or should not. This realistic yet unreal knowledge could be shared, sustaining the same statistical properties while defending confidentiality and privacy.

So far, Elon Musk’s firm Neuralink, primarily based in Fremont, Calif., has tried the method on rats and pigs within the lab. …