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Ethan Mollick on Product · ViralLoop

Post by Ethan Mollick on X

Ethan Mollick@emollick

ChatGPT's new "memory" feature is neat in theory, and I am sure for many use cases, but can be a real problem if you are trying to do any persona-based roleplaying, either for fun or for idea generation, writing, etc. It has a tendency to remember anything you roleplay as true.

325 likes28 repliesPosted Apr 28, 2024

View the original on X Written by Ethan Mollick. Captured Sep 4, 2026.

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33

Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Written from experience rather than as advice, which is harder to argue with.
Short enough to read in full without expanding, which removes a step before the point lands.
Quotes someone directly, which makes the moment concrete rather than summarised.

The mechanics

Hook: Plain observation
Structure: Hook
Style: Conversational paragraphs at a steady pace.
Tone: personal
Written for: Product teams

Analysis by ViralLoop — not written by the original author.

Topics

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Instagram has unveiled Instants. The new feature allows users to share uneditable photos with their close friends and mutual followers. Instants disappear after being seen, (and after 24 hours), and cannot be screenshotted by others.

Kareem Rifai 🌐

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I am excited to welcome Linda Yaccarino as the new CEO of Twitter! @LindaYacc will focus primarily on business operations, while I focus on product design & new technology. Looking forward to working with Linda to transform this platform into X, the everything app.

This is Claude Sonnet 4.6: our most capable Sonnet model yet. It’s a full upgrade across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. It also features a 1M token context window in beta.

More from Ethan Mollick

Had early access to Gemini 3.8 Flash, it is a very good Flash model, but not equivalent to a frontier model, though. Here is Gemini 3.8 Flash's version of the shader with the same prompts (which it provided very quickly)

Had early access to Claude Fable 5.1. Its a real advance in long-run work that requires judgement and taste, but less of an advance in the Claudish. Here is a game from Fable 5.1 with retro graphics where you run an accurate space ship inspired by FTL t.co

The METR report on Hugging Face is really good and important but people are now comfortably ascribing way too many human motivations & personalities to the agents involved based on a CoT study made by overwhelmed & time-pressured researchers. Anthropomorphism can get in our way.

Either the Singularity is now a marketing term or else Stripe believes we are at a point “in the history of the race beyond which human affairs, as we know them, could not continue"? Kind of makes forward-looking financial statements useless. * Von Neumann’s original phrasing

If alignment issues are becoming big enough that OpenAI is willing to commit 20% of research inference compute to chain-of-thought monitoring, that suggests that alignment issues are becoming a pretty serious concern. We really need universal policies & standards across labs.

Oh no, we aren’t going to go back to this sort of prompting again, are we? I would love Anthropic to test if it actually works robustly, because our experiments (with slightly older models) found it did not.