Worth knowing for anyone who owns one: since 2024 Colorado and California both treat neural data as sensitive personal information under their privacy laws. In Colorado that means it needs opt-in consent; in California you can tell the company to limit its use to what's needed for the service. If you're in either state, a deletion or limit-use request that names the neural data specifically is the practical step, and "de-identified" brainwave data is a weak promise when the recordings are long and unique to each person.