Antonio Regalado recently published a stellar longform piece about the current state of brain-computer interfaces (BCIs), and the state is looking up. Earlier this month, we witnessed the demonstration of a mind-controlled exoskeleton at the World Cup. (Even if most television networks managed to ignore it.) Clinical trials for robotic arms and legs are underway, and plenty of research dollars are being pumped into neuroengineering labs.

All told, the future isn't looking too shabby for the science at play. Amidst the science, though, there's a finer point that Regalado pushes through—the economics of BCIs are pretty tricky. With a relatively small consumer base for tetraplegia-targeted BCIs, it seems likely that if any BCI company is going to have any serious success, they're going to need a non-medical product line, as well.

Anyone looking for a business partner?