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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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?

38:35 One Cohesive Assistant

34:35 Pulse in Practice & Near-Term Roadmap

40:43 Should It Surface Trends?

43:43 Assistant ≠ Clone

51:15 Closing Thoughts

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RESOURCES

Christina Kaplan

https://x.com/ChristinaHartW 

Samir Ahmed

https://x.com/PageOfSamir 

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