
Left To Their Own Devices Big Tech's Origin Story
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Oct 3, 2025 Frances Haugen, a former product manager at Facebook, reveals the platform's internal research that shows its detrimental impact on teens, particularly regarding misinformation and body image concerns. Nir Eyal, author of 'Hooked,' discusses the psychological techniques behind habit-forming technology and the concerns of keeping children safe from addictive designs. Together, they delve into how Facebook's profit-driven decisions often overshadow user well-being, with algorithms amplifying vulnerabilities and steering young users into harmful content.
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Engagement Became The Core Business Metric
- Facebook's revenue model depended entirely on ad attention, so product changes prioritized engagement.
- Features like News Feed and Like dramatically increased engagement and minutes spent on site.
Algorithms Optimized For Outrage
- Algorithms were explicitly optimized to capture and manipulate attention toward economically valuable content.
- Facebook learned that triggering fight-or-flight emotions like fear and outrage maximized engagement.
Nir Eyal's Hook Model Origins
- Nir Eyal describes observing habit-forming tech while working at the intersection of gaming and advertising.
- He framed product hooks as trigger, action, reward, and investment cycles that create habits.







