This was a crazy discovery for me. The main two consumer groups of brain-tech users are a) new-age psuedoscience spas like the Berkeley Brain Spa that buy old e

This was a crazy discovery for me. The main two consumer groups of brain-tech users are a) new-age psuedoscience spas like the Berkeley Brain Spa that buy old equipment and show you pretty graphs, and b) terminally online people melting their brains for vague IQ benefits