The forest of neurotechnology startups is tangly and sinister. Tangly for the sake of most brain-computer interface technology not being remotely ready for consumer applications; sinister because VC firms keep throwing money at it anyway.

Halo Neuroscience is the most recent group to garner a healthy investment. The fruit they're pitching? A headband to improve cognitive function. I think the investors could use one or two of 'em.