iiinova — where your digital self keeps evolving

Jacob Peacock @jacobpeacock.bsky.social · 14/04/2026

Instead: "Please describe how you used LLMs in preparing your responses, with links to transcripts if applicable."

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Jacob Peacock @jacobpeacock.bsky.social · 14/04/2026

2. Requesting transcripts. Linking to a ChatGPT or Claude transcript is great—if you used that tool. Your best applicants are using extensions, skills, context and agents that won't meaningful appear in a transcript. And do you really want to read reams of transcript anyway?

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Jacob Peacock @jacobpeacock.bsky.social · 14/04/2026

Instead try: "The creative content of your responses must reflect your original writing, not that of an LLM. Answers closely resembling LLM outputs may be penalized."

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Jacob Peacock @jacobpeacock.bsky.social · 14/04/2026

I see two LLM policy mistakes in hiring processes all the time: 1. Total ban on LLMs. Using an LLM for spellchecking, searching your own past writing for reference, or answering factual experience questions should absolutely be permissible. 🧵

Jacob Peacock @jacobpeacock.bsky.social · 09/02/2026

@animalcharityev.bsky.social is looking for new board members! Join me and a talented group of leaders to guide ACE's work to identify highly cost-effective animal charities. Apply by March 1st. animalcharityevaluators.org/about/our-te...

animalcharityevaluators.org

Board Member - Animal Charity Evaluators

We are seeking individuals with a sincere and passionate interest in animal advocacy to join our Board of Directors.

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Jacob Peacock @jacobpeacock.bsky.social · 22/09/2025

Lastly, here's the new citation: Peacock, J. R. (2026). Price-, taste-, and convenience-competitive plant-based meat analogues would not currently replace the majority of meat consumption: A narrative review. Appetite, 216, 108301. doi.org/10.1016/j.appet.2025.108301

Jacob Peacock @jacobpeacock.bsky.social · 22/09/2025

The new section reviews recent literature which "suggested that decreased plant-based meat, butter and milk analogue prices might cause increased consumption of the corresponding animal product" and moving plant-based meat analogues to the meat aisle didn't meaningfully effect meat consumption

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Jacob Peacock @jacobpeacock.bsky.social · 22/09/2025

So, what's new? ✅ Shorter ✅ More and updated citations ✅ Methods section ✅ Error bars in figures ✅ New section, "Studies of price and convenience manipulations individually"

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Jacob Peacock @jacobpeacock.bsky.social · 22/09/2025

My paper "Price-, taste-, and convenience-competitive plant-based meat analogues would not currently replace the majority of meat consumption: A narrative review" is now published in the peer-reviewed journal Appetite! Available here: shorturl.at/nMk2R

doi.org

Price-, taste-, and convenience-competitive plant-based meat analogues would not currently replace the majority of meat consumption: A narrative review

Plant-based meat analogues, like Beyond Sausage or Impossible Burger, have become a source of optimism for environmental, public health, and animal we…

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Jacob Peacock @jacobpeacock.bsky.social · 16/09/2025

A bit last minute, but if you're free 4-6p tonight, come watch me judge submissions for Summer of Math Exposition, a sorta-annual competition held by famed math youtuber @3blue1brown.com, at twitch.tv/enstucky More info on the competition here: www.3blue1brown.com/blog/some1

3blue1brown.com

3Blue1Brown - The Summer of Math Exposition

Announcement for the SoME1 Competition

Jacob Peacock @jacobpeacock.bsky.social · 09/09/2025

Does adding plant-based meat to the @chipotle menu cause less meat purchasing? Our preregistered RCT (N=4,431) using a simulated food order suggests not. Neither adding sofritas PBM nor an additional hypothetical chicken-like PBM meaningfully reduced meat consumption: Full study: osf.io/z6rn2_v1

Jacob Peacock @jacobpeacock.bsky.social · 16/08/2025

I share your frustration. In live action media, I assume humanoid aliens with additive features reflect limitations of practical effects. But animated works especially tend to have nonsense biology and especially biomechanics. And CGI gives us human clone troopers with impossibly narrow helmets...

Jacob Peacock @jacobpeacock.bsky.social · 23/07/2025

High-impact opportunity at Greener By Default for someone with great Python and data analysis skills www.linkedin.com/jobs/view/42...

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Jacob Peacock @jacobpeacock.bsky.social · 27/05/2025

Fresh out of college, I designed binary classifiers and sentiment analysis tools for a marketing start-up. ~10 years later, off-the-shelf LLMs would easily replace and exceed what I did. Wild to read how much LLMs disrupted natural language processing www.quantamagazine.org/when-chatgpt...

quantamagazine.org

When ChatGPT Broke an Entire Field: An Oral History | Quanta Magazine

Researchers in “natural language processing” tried to tame human language. Then came the transformer.

Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

One PB option brings that down to 84%, two options 78% and a third option just 75%. This definitely surprised me...I thought 3 options would have a larger effect. We have a similar study pre-registered here osf.io/z9486%E2%80%... update your priors and start forecasting our results!

osf.io

Traditional And Contemporary meat Options Study 1 (TACOS-1)

Hypothetical-choice pilot experiment Our project seeks to understand the purchasing behavior of consumers faced with a choice of animal-based meat and between one and three plant-based alternatives.…

Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

This metric moderately favors PB meat burger, although note wide CIs. One last notable result: simulating counterfactuals suggested adding PB options quickly reaches diminishing returns. With no PB options, 92% of participants chose beef (the rest wouldn't buy).

Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

Third col shows the market share of beef in a simulated two-item market with one of the 3 alternatives; the PB meat burger was slightly worse here. But, in col 4, the effect of reducing the alternative price by 1% on market share of beef (cross-price elasticity).

Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

(Ranges are 95% CIs; I used point estimates where CIs weren't reported.) Estimated market shares of the four products competing at equal prices told slightly different stories in Studies 1 & 2, but the takeaway is that the alternatives probably performed about the same.

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Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

(and enables a "counterfactual estimation" as if some options weren't available, although I'm somewhat skeptical of this approach). Results updated me a bit: while I thought the falafel or veggie burger might come out slightly ahead, it wasn't decisive across 4 different measures:

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Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

After a choose-one (discrete choice) question, participants were asked a clever follow-up: suppose that option was out of stock, what would you get instead? This seems like a cheap way to get participants to rank options and thus more sensitivity from a single study

Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

These span the gamut from analog to semi-analog to non-analog plant-based alternatives to meat. After a choose-one (discrete choice) question, participants were asked a clever follow-up: suppose that option was out of stock, what would you get instead?

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Jacob Peacock @jacobpeacock.bsky.social · 24/03/2025

Catching up on some new plant-based meat literature with "Substitution patterns and price response for plant-based meat alternatives." www.pnas.org/doi/10.1073/... In two studies, participants hypothetically chose from 4 burger patties: beef, plant-based meat, veggie or falafel.

pnas.org

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Jacob Peacock @jacobpeacock.bsky.social · 02/12/2024

Highly recommend www.sky-follower-bridge.dev/get-started.... for automatically transferring your twitter follows to BlueSky

sky-follower-bridge.dev

Sky Follower Bridge

Instantly find and follow the same users from your 𝕏 followers on Bluesky

Jacob Peacock @jacobpeacock.bsky.social · 02/12/2024

Now with video recording! www.youtube.com/watch?v=qPFk...

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Jacob Peacock @jacobpeacock.bsky.social · 23/11/2024

Fair, I think that premise is more defensible; I was responding more so to PTC as most of the things ppl consider when deciding what to eat. The section "The PTC premise" is most relevant and the last para esp touches on some issues with coherently defining 'most important' factors in food choice.

Jacob Peacock @jacobpeacock.bsky.social · 22/11/2024

Hmm, I can't agree with this view nor do I think the underlying research supports it. More here: forum.effectivealtruism.org/posts/iukeBP...

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Jacob Peacock @jacobpeacock.bsky.social · 18/11/2024

Valuable to work through specific examples of non-Western cuisine that impact huge numbers of animals.

Jacob Peacock @jacobpeacock.bsky.social · 18/11/2024

Also enjoyed Yip Fai Tse's talk on long-term future of impacts of technologies on animals: Important points about the difficulty of alt proteins displacing cuisines that feature whole & even live animals. Eg, pond loach—among the most abundant farmed fish—are often served whole in Chinese cuisine

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Jacob Peacock @jacobpeacock.bsky.social · 18/11/2024

Thank you to all the organizers of EAGxVirtual for a great conference! I gave a talk on my paper "Price-, Taste-, and Convenience-Competitive Plant-Based Meat Would Not Currently Replace Meat" Slides: docs.google.com/presentation... Paper: forum.effectivealtruism.org/posts/iukeBP...

forum.effectivealtruism.org

Price-, Taste-, and Convenience-Competitive Plant-Based Meat Would Not Currently Replace Meat — EA Forum

Updated October 25, 2023 • Executive summary Plant-based meats, like the Beyond Sausage or Impossible Burger, and cultivated meats have become a sou…

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Jacob Peacock @jacobpeacock.bsky.social · 18/11/2024

I'd be interested to join if you think I'd be a good fit! I've been working in animal advocacy research for 7 years at non-profits and will be transitioning from twitter to BlueSky. You can see some of my work here: scholar.google.com/citations?hl... Thank you for your consideration!

scholar.google.com

Jacob R. Peacock

‪Rethink Priorities‬ - ‪‪Cited by 257‬‬ - ‪Advocacy for farm animals‬ - ‪social and diet change‬ - ‪research methods‬ - ‪open science‬

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Jacob Peacock @jacobpeacock.bsky.social · 18/11/2024

I'd be interested to join your if you think I'd be a good fit: I've been working in EA-oriented animal advocacy research for 7 years, including Rethink Priorities most recently. You can see some of my work here: scholar.google.com/citations?hl... Thank you for your consideration!

scholar.google.com

Jacob R. Peacock

‪Rethink Priorities‬ - ‪‪Cited by 257‬‬ - ‪Advocacy for farm animals‬ - ‪social and diet change‬ - ‪research methods‬ - ‪open science‬

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Jacob Peacock @jacobpeacock.bsky.social · 18/11/2024

Hi Lisa, I'd love to be added, thank you!

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Jacob Peacock @jacobpeacock.bsky.social · 17/11/2024

I would be interested to be added as my work in this area is ongoing!