PANews reported on August 7 that Fred Ehrsam, co-founder of Coinbase and Paradigm, announced that he and Quintin Frerichs had co-founded Nudge, a company that is developing an ultrasonic headset designed to enhance the human experience by changing the state of the brain. The device can help users fall asleep, improve concentration, break bad habits, or improve mood. Nudge, which consists of 11 engineers and scientists from top institutions such as Vision Pro, Neuralink, SpaceX, and Stanford, emphasizes the safety advantages of ultrasonic technology and calls on interested engineers to join the team.