Subtly designed subvocal sensors, paired with an earpiece providing LLM output, could potentially be pretty powerful as a wearable. Not as invasive as glasses-type implementations - no camera or screen needed at all, really.
Maybe, but a wireless SVR would offer more flexibility and normal use. But a “thought process” could also be composed from a language of neurophysiology, like blood flow and hand/foot movements.
The average human mind has a capacity of holding at best 7 facts together in working memory before reaching cognitive load limits. What’s amazing is that we’ve achieved as much as we have besides current limitations.