A New Way to Plug a Human Brain into a Computer: Via Veins

>Motor neuroprosthesis implanted with neurointerventional surgery improves capacity for activities of daily living tasks in severe paralysis: first in-human experience (full article)

https://jnis.bmj.com/content/early/2020/10/30/neurintsurg-20...

This sounds like a much better idea than cutting a hole in your skill that Elon Musk with his company.