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Silicon Valley turned aging into a bug to fix. Billions followed

32 5
05.01.2026

Tech & Innovation

Silicon Valley turned aging into a bug to fix. Billions followed

In the longevity industry, the goal isn't just measuring your body. It's reprogramming it to age more slowly

ByJackie Snow

Published 16 hours ago

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Romain Maurice/Getty Images for Biohack Miami

A version of this article originally appeared in Quartz’s members-only Weekend Brief newsletter. Quartz members get access to exclusive newsletters and more. Sign up here.

A decade ago, the bleeding edge of self-optimization was strapping a Fitbit to your wrist and obsessing over 10,000 steps. The "Quantified Self" movement, born from Bay Area biohackers who believed rigorous self-tracking could unlock better health, spawned meetups, conferences, and a shared conviction that data was the path to personal improvement.

That movement has largely fizzled as a distinct subculture. But its ethos didn't disappear. It evolved into something far more ambitious and well-funded: the longevity industry, where the goal isn't just measuring your body but reprogramming it to age more slowly.

From tracking to intervention

Both movements share a techno-optimist faith that the body is a system to be debugged. The quantified selfers believed that with enough data (sleep scores, heart rate variability, glucose spikes) you could optimize your way to better health. The longevity crowd has simply moved upstream, targeting the biological mechanisms of aging itself.

No one embodies this evolution more........

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