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Books, apps, and tools people actually name.

Compare how many distinct people recommended, used, liked, owned, built, or avoided the same item—then inspect every transcript excerpt behind the count.

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hardware / evidence rows

PR2

1 distinct person

uses / hardware

“when I started working in robotics in 2014, I used a very nice research robot called a PR2 that cost $400,000 to purchase. When I started my research lab at UC Berkeley, I bought robot arms that were $30,000. The robots that we are using now at Physical Intelligence, each arm costs about $3,000.”

Sergey Levine · Dwarkesh Podcast · Fully autonomous robots are much closer than you think – Sergey Levine · 12 Sept 2025

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