LIMITLESS: We Interviewed The Team Behind ChatGPT’s #1 Feature

OpenAI’s personalization leads, Christina Kaplan and Samir Ahmed map the shift from an “assistant with a notebook” to Pulse—the part of ChatGPT that quietly preps your day while you sleep. We unpack how short- and long-term memory work across sessions and why April’s subtle update changed the experience, show how daytime chats stay aligned with overnight prep, and close on the big questions: privacy, consent, and why this is an assistant/representative—not a digital clone.

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💫 LISTEN TO THE FULL EPISODE
https://pod.link/1813210890
https://youtube.com/watch?v=cDrllt2zn5M

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TIMESTAMPS

0:00 Intro
1:03 Why Memory Mattered
6:00 User Reception
9:45 Under the Hood: Short vs Long Term
12:20 Behavior Shift & Data Strategy
20:26 What is Pulse?

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RESOURCES

Christina Kaplan
https://x.com/ChristinaHartW

Samir Ahmed
https://x.com/PageOfSamir

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https://www.bankless.com/disclosures⁠