In breathless press releases and posts, the company has touted its models’ ability to deliver scientific breakthroughs. But its IPO filing taps the brakes on just how fast its AI will lead to big discoveries.

This week on “Uncanny Valley,” we go behind the scenes of our Nathan Fielder cover story, unpack tech billionaires’ generous promises, and discuss the suspicious letters sent to US election offices.

An earnings briefing on Wednesday revealed ad revenue has slowed since the European Union introduced the Less-Personalized Ads model at the beginning of this year.

Meta’s board feared that its CEO’s departure could disrupt the company’s AI ambitions. A new stock agreement gives him financial incentives to stay put.

It’s the latest in a growing wave of bets that AI companies are making on brain data.

TikTok and other sites were told to curb protest footage and AI-altered images, while online retailers like Vinted and eBay reportedly signed an agreement stop looted goods from flooding resale sites.