Neuralink implanted a wireless brain chip into a human

 https://www.bbc.com/news/technology-68137046

And so it really begins for people.

https://www.bloomberg.com/news/articles/2024-01-29/elon-musk-says-first-human-patient-has-received-brain-implant

https://www.theguardian.com/technology/2024/jan/29/elon-musk-neuralink-first-human-brain-chip-implant

https://www.wired.com/story/elon-musk-neuralink-human-patient-brain-implant , https://www.youtube.com/watch?v=Gv_XB6Hf6gM

https://neuralink.com/blog

https://people.com/elon-musk-says-human-patient-receives-first-neuralink-brain-chip-implant-8552162

https://www.sciencefocus.com/future-technology/should-you-upgrade-your-brain

https://www.theguardian.com/science/2014/sep/05/body-upgrades-only-for-rich

https://thedigitallabyrinth.blogspot.com/search?q=Neuralink

https://thedigitallabyrinth.blogspot.com/search?q=Upgrade