HeyJaredIn the pool with Esther
Dive into what's on Esther's mind: thoughts on AI, technology, health, investing, and whatever else she might be thinking of in the pool. Delivered every other Tuesday.
- Indexed issues, last 90 days
- 6
- Latest publication
- Sep 22, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 14, 2026
Latest issues
AI needs a deeper understanding of itself (opens the original)
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<img alt="Two people are at a conference on teh future of AI. THe first is 17-century philosopher Rene DesCartes, with a thought bubble above his head saying "I think, therefore I am." The second is a 20th-century muscled sailor holding a can of creatine, with a
A new prediction market: Is your message worth my time? (opens the original)
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<img alt="" class="sizing-normal" height="1006" src="https://substackcdn.com/image/fetch/$s_!B9IY!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1536942a-a456-4ea7-a640-a4b8976d6a1a_2038x1408.p
A trans-Atlantic mirror (opens the original)
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In the small but influential world of those investing in - or betting on - AI, there are different models of how it can and should develop: In the US, the hyperscalers are at the top, with huge returns to scale; in Europe, those hyperscalers are seen as invaders trying to sneak in from the side, but without much understanding of or respect for the local markets, their norms, and their laws. Likewise, the notion of sovereign AI - to counterbalance the growing power of hyperscalers - has different
Alert! New forms of diabetes on the rise (opens the original)
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<img alt="A woman holds her young child in a public swimming pool. In the distance are trees and mountains." class="sizing-normal" height="1234" src="https://substackcdn.com/image/fetch/$s_!_CET!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack
Trade-offs and transparency (opens the original)
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<img alt="A sick-looking patient is in a doctor's exam room. A doctor is sitting across from him, taking his medical history but also looking nervously at her wrist watch." class="sizing-normal" height="768" src="https://substackcdn.com/image/fetch/$s_!3Ujd!,w_1456,c_limit,
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