This 19-year-old sold his $30 million AI calorie-tracking startup. Now he's tackling doomscrolling.

MyFitnessPal acquired Cal AI, an AI-powered calorie-tracking app that 19-year-old Zach Yadegari cofounded while he was in ...

Kalshi and Polymarket crack down on paid influencers claiming election fraud

Influencers are using prediction market odds to sow doubt in vote counting, in some cases in posts paid for by the companies ...