the cal ai kid is back, this time with a privacy wearable

Yadegari, the 19-year-old who sold calorie app Cal AI to MyFitnessPal this spring, just raised $10M for his next startup. it's Persona — a personal AI assistant with a $179 wearable band that only records when you press a button, not an always-on mic. the pitch is a privacy flip: your data runs encrypted in the cloud, never sold to advertisers — a teenager betting the next AI wearable wins on not listening to everything.