Introducing skytrails by @kennypeng.bsky.social, a way to browse posts across Bluesky! Follow trails to navigate the space of content/conversations here, and discover new interests beyond your usual feeds 🕸️ I'll talk more about it tomorrow in my talk at #atscience #atmosphereconf!

New paper! The Linear Representation Hypothesis is a powerful intuition for how language models work, but lacks formalization. We give a mathematical framework in which we can ask and answer a basic question: how many features can be stored under the hypothesis? 🧵 arxiv.org/abs/2602.11246

"Community Notes" are reshaping how millions encounter information on social media--but what makes them work (or not)? We term these "Crowdsourced Context Systems" (CCS) and introduce a framework for designing and evaluating them in a new #CHI26 paper 🧵

Excited to present a new preprint with @nkgarg.bsky.social: presenting usage statistics and observational findings from Paper Skygest in the first six months of deployment! 🎉📜 arxiv.org/abs/2601.04253

I spoke with @kattenbarge.bsky.social for this @wired.com piece about my research into reddit moderators' experiences moderating AI-generated content. Moderators are working hard to keep Reddit "one of the most human spaces left on the internet," but it's a trying and often thankless task.

Excited to share a new working paper! What happened when Change.org integrated an AI writing tool into their platform? We provide causal evidence that petition text changed significantly while outcomes did not improve. 1/ arxiv.org/abs/2511.13949

@davidingram.bsky.social covered @mantzarlis.com and my work on Grokipedia citations for NBC! much more to analyze here www.nbcnews.com/news/amp/rcn...

Had a great time at CODE@MIT this weekend, and wanted to highlight a few (of the many) cool talks!

If you run conjoint experiments, you need to read this. Most conjoints estimate average effects for each attribute. But what if the effect of one attribute depends on the others? This paper has got you covered!

I am so excited to be in 🇬🇷Athens🇬🇷 to present "A Framework for Auditing Chatbots for Dialect-Based Quality-of-Service Harms" by me, @kizilcec.bsky.social, and @allisonkoe.bsky.social, at #FAccT2025!! 🔗: arxiv.org/pdf/2506.04419

I am presenting a new 📝 “Bias Delayed is Bias Denied? Assessing the Effect of Reporting Delays on Disparity Assessments” at @facct.bsky.social on Thursday, with @aparnabee.bsky.social, Derek Ouyang, @allisonkoe.bsky.social, @marzyehghassemi.bsky.social, and Dan Ho. 🔗: arxiv.org/abs/2506.13735 (1/n)

📣 "Understanding and Meeting Practitioner Needs When Measuring Representational Harms Caused by LLM-Based Systems" is forthcoming at #ACL2025NLP - and you can read it now on arXiv! 🔗: arxiv.org/pdf/2506.04482 🧵: ⬇️

🎉 So excited to share that "Don't Forget the Teachers" has received a Best Paper Award at #CHI2025!! @allisonkoe.bsky.social @kizilcec.bsky.social

*NEW DATASET AND PAPER* (CHI2025): How are online communities responding to AI-generated content (AIGC)? We study this by collecting and analyzing the public rules of 300,000+ subreddits in 2023 and 2024. 1/

Please repost to get the word out! @nkgarg.bsky.social and I are excited to present a personalized feed for academics! It shows posts about papers from accounts you’re following bsky.app/profile/pape...

✨New Work✨ by me, @allisonkoe.bsky.social, and @kizilcec.bsky.social forthcoming at #CHI2025: "Don't Forget the Teachers": Towards an Educator-Centered Understanding of Harms from Large Language Models in Education 🔗: arxiv.org/pdf/2502.14592