AI and access to knowledge. Executive Director @instdin, Chief Technologist @BKCHarvard

Joined February 2010
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When I feel intimidated learning new things, especially systems, I often think about “Fog of War” mapping in RTS games. A FoW map is obscured in darkness, only to be revealed as you explore, tile by tile, until the entire domain is visible.
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Do I repeat myself? Very well then I repeat myself, (I am cooked, I contain maybe 3 or 4 things.)
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Greg Leppert retweeted
The Summer of AI Research 2026 is now accepting applications! Work on an open science AI research project between July 13 and August 16. In this fully online event we invite people with little research experience to contribute to open source under the mentorship of experienced researchers.
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Data 🔄 AI
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Greg Leppert retweeted
It shouldn’t be missed the profound dedication to data cleanliness and accuracy here. Everyone in the AI community working on and with historical data should take note. This is how we germinate force multipliers between the work of AI builders, historians, and digital humanists.
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Amazing work from an amazing team using @instdin’s Institutional Books data release. Their dedication to detail and accuracy is sorely missing from the vast majority of historical-data work from the AI community. Yet there’s so much work to be done and benefit to getting it right
Announcing Talkie: a new, open-weight historical LLM! We trained and finetuned a 13B model on a newly-curated dataset of only pre-1930 data. Try it below! with @AlecRad and @status_effects 🧵
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If you’re interested in working with us at @instdin to produce state of the art datasets in collaboration with knowledge institutions from across the globe, reach out. We’re hiring deep technologists and community builders. institutional.org
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The first child teaches you about yourself. The second child teaches you about the first.
All parents think their parenting shapes their child until they have a second child. Then they realise it was the child’s personality all along. (Marvin Zuckerman)
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Why did the band go hardcore? They were losing money on every gig but figured they could make it up in volume.
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Be like the fox who makes more tracks than necessary, some in the wrong direction. Practice resurrection.
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Become undistillable.
Apparently workers in China have been creating “colleagues.skill” to distill their coworkers hoping to make them redundant hence saving themselves. In response someone has recently invented an “anti-distillation.skill” that has gone viral on GitHub.🤣
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Adulthood involves a staggering number of creams.
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Prompt is law.
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I used to think the “sticking” in “stick to your principles” meant holding the line, and it does. But the older I get the more I realize it also means not getting pulled into all the other stuff.
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If principles are a set, it’s equally important to ensure petty items aren’t added as it is to ensure critical items aren’t removed.
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Greg Leppert retweeted
open source used to mean donating your time. now it means donating your tokens.
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Like a lake being drained, there are skeletons in the depths of software and data that are soon to be revealed. Bugs, backdoors; embezzlement, fraud. But also treasures. Lost texts, pennies from heaven.
We partnered with Mozilla to test Claude's ability to find security vulnerabilities in Firefox. Opus 4.6 found 22 vulnerabilities in just two weeks. Of these, 14 were high-severity, representing a fifth of all high-severity bugs Mozilla remediated in 2025.
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With parallels to the effects DNA and genealogy sites have had on cold cases.
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Greg Leppert retweeted
Just 3D printed a tiny coding companion 🦀 ⁦@AnthropicAI⁩ ⁦@bcherny
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Hide and seek is the essence of the child-parent relationship. The child simultaneously wants to win and wants to be found.
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