The executive that helped build Meta’s ad machine is trying to expose it

Brian Boland spent more than a decade figuring out how to build a system that would make Meta money. On Thursday, he told a California jury it incentivized drawing more and more users, including teens, onto Facebook and Instagram - despite the risks.

Boland's testimony came a day after Meta CEO Mark Zuckerberg took the stand in a case over whether Meta and YouTube are liable for allegedly harming a young woman's mental health. Zuckerberg framed Meta's mission as balancing safety with free expression, not revenue.