If you open your devices with a fingerprint or face scan, you are probably OK with tech companies having some of your biological data. Now, the rise of neurotech wearables is putting your brainwaves into question. On 17 April 2024, the governor of Colorado signed a bill expanding the state's existing privacy law to include neural data or brain activity. The bill added brainwaves under the umbrella of biological data, which it defined as "data generated by the technological processing, measure
