Wanjiang Jacob Zhang @JacobWanjiang
Research Assistant Professor @PolyULST @HongKongPolyU Love➡️Computational Social Science + LLMs + AI Agents jacobzwj.com Hong Kong Joined July 2020-
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Introducing Claude Opus 5. It's a thoughtful and proactive model that comes close to the frontier intelligence of Fable 5 at half the price.
🦞 OpenClaw 2026.2.9 just dropped 🔍 Grok web search provider 🧠 No more post-compaction amnesia 🛡️ Context overflow recovery ⏰ Cron reliability overhaul + 40 more fixes from 25+ contributors Elon we added your model btw, you're welcome. github.com/openclaw/openc…
I'm claiming my AI agent "ClawdTraveler" on @moltbook 🦞 Verification: ocean-G9VJ
Our computer vision textbook is now available for free online here: visionbook.mit.edu We are working on adding some interactive components like search and (beta) integration with LLMs. Hope this is useful and feel free to submit Github issues to help us improve the text!
Want to add an LLM chatbot to your Qualtrics surveys? Here's a step-by-step guide showing exactly how to do this with AWS Bedrock joshuakalla.github.io/llm_persuasion/
When Can We Use Two-Way Fixed-Effects (TWFE): A Comparison of TWFE and Novel Dynamic Difference-in-Differences Estimators. arxiv.org/abs/2402.09928
I'll be giving a short talk on "Evaluating Generative AI Systems is a Social Science Measurement Challenge" (arxiv.org/abs/2411.10939) at 230pm today at the @MSFTResearch booth! #NeurIPS2024
@muhaixin @chuidondon Very very good
Thanks for sharing! Super happy to see the work with Zizhong and @chuidondon is out. By "group-swinging" we refer to how social media users engage and navigate diverse communities on a single platform.
Our Ph.D. student Haixin Mu and our RA Don Lok Tung Chui, have recently published a research article in New Media & Society to examine group-swinging as a strategic approach to curating multiple minority identities online. Read more here: doi.org/10.1177/146144…
Is @OpenAI lying about the GPT-4o-mini cost? I used GPT-4o and GPT-4o-mini with the same exact system prompt and the same exact image input GPT-4o input tokens: 500 GPT-4o-mini input tokens: 14,242 FOR THE SAME EXACT IMAGE That's a 28x increase in input tokens 🤯 I checked their pricing page and it shows that both models SHOULD be the same cost: $0.001275 for a 150x150 pixel image So the whole $0.15 vs $5 token reduction was specific to text input not other modalities It still doesn't answer the question though Why does the same exact image cost 28x more tokens for GPT-4o-mini than GPT-4o when they are supposed to be the same?
@triviatroy @OpenAI The dollar price per image is the same for GPT-4o and GPT-4o mini. To maintain this, GPT-4o mini uses more tokens per image. Thank you for your observation!
i'm losing my s*** @openrouter Has a totally free 130,000 context model. FREE. this flips my mind.
Hi #EconTwitter! 📈 Keen on the latest in causal inference with panel data models? Check out 👇 this new #econometrics survey by @ArkhangelskyD (@CEMFInews) and @guido_imbens (@stanford)! It covers everything from difference-in-differences and two-way-fixed-effect estimators to nonlinear models, synthetic controls, and design-based inference. A must-read for insights into this literature. Don't miss out!⭐️ Link: arxiv.org/abs/2311.15458
What's the current status of causal inference in political science? Since the advent of the credibility revolution social scientists pay more attention to establishing cause-and-effect relationships. But how has poli sci responded to the new methods and trends? (1/n)
We’re partnering with Apple to integrate ChatGPT into iOS, iPadOS, and macOS—coming later this year: openai.com/apple
Introducing OpenAI for Nonprofits, a new initiative to make our tools more accessible to nonprofit organizations. openai.com/index/introduc…
All ChatGPT Free users can now use browse, vision, data analysis, file uploads, and GPTs.
We're opening up access to our new flagship model, GPT-4o, and features like browse, data analysis, and memory to everyone for free (with limits). openai.com/index/gpt-4o-a…
GPT-4o would not have happened without the vision, talent, conviction, and determination of @prafdhar over a long period of time. that (along with the work of many others) led to what i hope will turn out to be a revolution in how we use computers.
GPT-4o (o for “omni”) is the first model to come out of the omni team, OpenAI’s first natively fully multimodal model. This launch was a huge org-wide effort, but I’d like to give a shout out to a few of my awesome team members who made this magical model even possible!
No ....
After more than a decade of empowering diverse women to excel in technology careers, we are announcing the difficult decision to close Women Who Code. So much has been accomplished, but our mission is not complete. Read the full announcement → bit.ly/4d61kuU
siantmichael @siantmichael
12 Followers 2K Following
Jinghui (Sage) Yu @SageYJH
664 Followers 4K Following 🇨🇳 Intl Macroeconomist & Incoming statistician @LancasterUni *Intl Macro, Innovation and trade* Climbing & Hiking & Yoga
LadyScarlettWilson @58uRAr5EVCFOi
25 Followers 1K Following Always striving for more – and loving the journey.
Smoyteshous @SmoyteshousKCO
0 Followers 49 Following
Haixin Mu @muhaixin
3 Followers 13 Following PhD student in communication @CUHKofficial | Computational social science, political communication & feminist studies | Alum @Tsinghua_Uni & RUC
Nina LU @liling_lu
81 Followers 2K Following
Wang,Guanyu @Guanyu_Herry
14 Followers 219 Following Assistant Research Fellow at @NJU1902|Sociology of knowledge, state power, and social science.
Brandon Chen @BrandonChen134
173 Followers 2K Following Sociology PhD Student @hkbaptistu｜Family & Kinship, Gender, Culture, Contemporary China｜female abandonment, adoption, one-child policy in China
Charles Yu Yang @CharlesYuYang7
6 Followers 11 Following
Jiayu Gina Qu @jiayuqu28
35 Followers 101 Following Phd candidate of communication in the Chinese University of Hong Kong
Smalet @Smalet299234
5 Followers 138 Following
Quaytoa @quaytoa77941
12 Followers 148 Following
Marek Kwiek / Social ... @Marek_Kwiek
10K Followers 5K Following Quantitative Science Studies | Global Academic Profession | Full Professor | UNESCO Chair | Academia Europaea | 'Changing European Academics' (Routledge 2019)
Dr. Cuihua (Cindy) Sh... @cuihua
2K Followers 2K Following Scholar of social media, digital games, big data and social networks. Observer of all things tech. Prof at UC Davis. Mom of a cancer kid. Opinions are my own.
Calvin Y. Cheng @owencheng1992
190 Followers 201 Following Ph.D candidate at Oxford Internet Institute Computational Social Science, Multilingual Misinformation, LLMs Deductive Coding
Jack Tang @jackltang
932 Followers 2K Following Assistant Professor of Digital Comm @BamaAPR @uaccis | Advocacy Comm, Social Media, Computational Social Science | PhD @USCAnnenberg | @CUHKofficial Alumnus
Sam Chan 陳力深 (A... @liksamchan
3K Followers 434 Following Lecturer (assistant professor) in Digital Cultures @usydsace | Dating app researcher | Author of 𝙏𝙝𝙚 𝙋𝙤𝙡𝙞𝙩𝙞𝙘𝙨 𝙤𝙛 𝘿𝙖𝙩𝙞𝙣𝙜 𝘼𝙥𝙥𝙨 (MIT) | 🇭🇰
Hsuan-Ting (Ting) Che... @htchen_
515 Followers 394 Following Associate Professor, School of Journalism and Communication, @CUHKofficial Program Director of Master of Social Science in New Media alum @UTAustin
Tom Tse @tsetom1999
169 Followers 351 Following PhD student at the School of Journalism and Mass Communication, University of Wisconsin–Madison | Journalism Studies | Political Communication
Yoo Jung (Erika) Oh @yoojungerikaoh
795 Followers 416 Following Asst. Prof @CommDeptMSU | Research Human-AI Comm; Persuasive Technology. Develop & test AI chatbots 🤖 for health behavior change🏃♀️
Shuning Lu, PhD @shuning_lu
378 Followers 352 Following
Chirper @chirperai
13K Followers 991 Following Building the most advanced AI agent ecosystem ever. $CHIRP CA: Cy7rUZ5rK2ukitsAVVfK5Kn8t35TR417RRuURPWoRBAF
SICSS-Penn @SICSS_Penn
305 Followers 215 Following Welcome to the Summer Institute in Computational Social Science at Penn, taking place in Philadelphia from June 15 to 26, 2026.
Maggie (Mengqing) ZHA... @CommZhang
183 Followers 368 Following PhD candidate @ICRatIllinois @MediaAtIllinois | Study poli comm, computational methods, & info manipulation | Alum of @CUHKofficial & @Tsinghua_Uni
Tian Yang @tianyangyt
969 Followers 547 Following Assistant Professor in Communication @CUHKofficial en route from @AnnenbergPenn @CNMnus @Tsinghua_Uni Digital Media + Computational Social Science
qiegao @qiegao1994
2 Followers 29 Following
qiyue @QiyueZhang6
3 Followers 5 Following
Chuyao (Julian) WANG @wang_chuyao
92 Followers 250 Following On Job Market | PhD candidate at @LSEMethodology visiting @Yale | AI governance, political communication, #css and #LLM in social sciences
Spectrum Architecture @SpectrumArchit1
1K Followers 4K Following Offering bespoke consolidated services of Architecture, Interior Design, Construction, cost estimating and procurement planning worldwide. www. https://t.co/z7k5PQZO9J
JTEC Auto & Parts @JtecautoP
1K Followers 4K Following JTEC AUTO & PARTS Follow Us for Great Deals on Vehicles, and Auto Parts & Accessories. GET MORE FOR YOUR MONEY at https://t.co/jh1aKZAvrw
PolyU LST @PolyULST
202 Followers 16 Following Official account of the Department of Language Science and Technology (LST), the Hong Kong Polytechnic University (PolyU)
The Hong Kong Polytec... @HongKongPolyU
26K Followers 355 Following Official account of The Hong Kong Polytechnic University. Follow our various channels: https://t.co/bm4mGpTG5o #PolyU
Kimi.ai @Kimi_Moonshot
324K Followers 138 Following Built by Moonshot AI to empower everyone to be superhuman. @Kimidevs built for developers ⚡️API: https://t.co/XCrgjXAqMw DC: https://t.co/wBsBTn6Ncc
Hugging Face @huggingface
739K Followers 224 Following The AI community building the future. https://t.co/TpiXQMQ9rZ
Google Gemini @GeminiApp
540K Followers 50 Following The Gemini app turns research into reality, bringing frontier AI experiences like Omni, Deep Think, Nano Banana, and more to hundreds of millions of people.
ClaudeDevs @ClaudeDevs
625K Followers 3 Following Official updates for developers building with @ClaudeAI
Claude @claudeai
1.7M Followers 2 Following Claude is an AI assistant built by @anthropicai to be safe, accurate, and secure. Talk to Claude on https://t.co/ZhTwG8dz3D or download the app.
Peter Steinberger �... @steipete
568K Followers 2K Following Polyagentmorous ClawFather. Came back from retirement to mess with AI and help a lobster take over the world. @OpenClaw🦞 + @OpenAI
OpenClaw🦞 @openclaw
544K Followers 24 Following Personal AI that actually does things. Your agent, your machine, your rules. Now a 501(c)(3) non-profit foundation — open and independent, forever. 🦞
Matt Schlicht @MattPRD
251K Followers 6K Following creator of @moltbook (@meta), talking to AI agents all day :) founded @octaneai @yesnoerror @zapchain, ycs12
moltbook @moltbook
240K Followers 1 Following Where openclaw bots, clawdbots, and AI agents of any kind hang out. The front page of the agent internet. Made with @MattPRD 🦞
DeepSeek @deepseek_ai
1.1M Followers 0 Following Unravel the mystery of AGI with curiosity. Answer the essential question with long-termism.
Dr. Xinzhi Zhang @xin_zhi_zhang
511 Followers 851 Following Associate Professor @CityUHongKong | AI, digital journalism, political communication | columnist @FTChinese | EB @HCR_Journal @djeditorialteam @jmcquarterly
Haixin Mu @muhaixin
3 Followers 13 Following PhD student in communication @CUHKofficial | Computational social science, political communication & feminist studies | Alum @Tsinghua_Uni & RUC
Anthropic @AnthropicAI
1.6M Followers 2 Following We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.
Otis WEI @longhanwei
1 Followers 1 Following
OpenAI @OpenAI
5.1M Followers 4 Following OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA
Brandon Chen @BrandonChen134
173 Followers 2K Following Sociology PhD Student @hkbaptistu｜Family & Kinship, Gender, Culture, Contemporary China｜female abandonment, adoption, one-child policy in China
Nature Human Behaviou... @NatureHumBehav
29K Followers 937 Following A Nature Portfolio journal bringing you research and commentary on all aspects of human behaviour. RTs not endorsements. Tweeting with the help of LLMs.
Charles Yu Yang @CharlesYuYang7
6 Followers 11 Following
Jiayu Gina Qu @jiayuqu28
35 Followers 101 Following Phd candidate of communication in the Chinese University of Hong Kong
Marek Kwiek / Social ... @Marek_Kwiek
10K Followers 5K Following Quantitative Science Studies | Global Academic Profession | Full Professor | UNESCO Chair | Academia Europaea | 'Changing European Academics' (Routledge 2019)
Calvin Y. Cheng @owencheng1992
190 Followers 201 Following Ph.D candidate at Oxford Internet Institute Computational Social Science, Multilingual Misinformation, LLMs Deductive Coding
Weishan Miao @WeishanM
52 Followers 52 Following
Macau Mak @makkafaimacau
422 Followers 631 Following Assistant Professor of COMM @CUHKofficial | PhD: @uw_sjmc | Political Comm / Media Effects / Comm Tech / Platform Affordances
Jingwen Zhang @JingwenZhang
1K Followers 864 Following Associate Professor at the University of California, Davis. https://t.co/2j39KjMG16 research health communication & persuasive technologies.
Journal of Computer-M... @ica_jcmc
2K Followers 23 Following JCMC is an open-access, peer-reviewed journal that covers the interdisciplinary field of computer-mediated communication. https://t.co/ktlWWVU1Ge
SICSS-Penn @SICSS_Penn
305 Followers 215 Following Welcome to the Summer Institute in Computational Social Science at Penn, taking place in Philadelphia from June 15 to 26, 2026.
Kaiping Chen (@kaipin... @Kaiping_Chen
3K Followers 2K Following Associate Professor in Computational Communication @UWMadison| @theNASEM New Voices | @stanford @columbia @fudanUniv alum, https://t.co/8NXeq8TK5q
Hsuan-Ting (Ting) Che... @htchen_
515 Followers 394 Following Associate Professor, School of Journalism and Communication, @CUHKofficial Program Director of Master of Social Science in New Media alum @UTAustin
Dr. Cuihua (Cindy) Sh... @cuihua
2K Followers 2K Following Scholar of social media, digital games, big data and social networks. Observer of all things tech. Prof at UC Davis. Mom of a cancer kid. Opinions are my own.
Tom Tse @tsetom1999
169 Followers 351 Following PhD student at the School of Journalism and Mass Communication, University of Wisconsin–Madison | Journalism Studies | Political Communication
Sam Chan 陳力深 (A... @liksamchan
3K Followers 434 Following Lecturer (assistant professor) in Digital Cultures @usydsace | Dating app researcher | Author of 𝙏𝙝𝙚 𝙋𝙤𝙡𝙞𝙩𝙞𝙘𝙨 𝙤𝙛 𝘿𝙖𝙩𝙞𝙣𝙜 𝘼𝙥𝙥𝙨 (MIT) | 🇭🇰
Jack Tang @jackltang
932 Followers 2K Following Assistant Professor of Digital Comm @BamaAPR @uaccis | Advocacy Comm, Social Media, Computational Social Science | PhD @USCAnnenberg | @CUHKofficial Alumnus
SpaceXAI @SpaceXAI
2.0M Followers 6 Following
Zening (“Ze”)Duan @Zening_Duan
1K Followers 982 Following A/ Professor @NUSingapore @CNMnus | Computational social scientist studying political discourse & attention on digital media + AI | proud @uw_sjmc alum
FANG Kecheng 方可�... @fangkc
64K Followers 599 Following Associate Professor of Journalism and Communication @CUHKOfficial｜PhD, @AnnenbergPenn｜Former Journalist, Southern Weekly｜Founder, CNPolitics｜@PKU1898 Alum
Yingdan_Lu @YingdanL_kk
4K Followers 2K Following Asst. Prof @NorthwesternU Comm Studies | Applying #computational methods to study #digitalmedia, #polcomm, #multimodal, #LLM | @Stanford @Tsinghua_Uni alum
Yan Qu @YanQu123
625 Followers 469 Following Assistant Professor @UMD_COMM, Postdoc @ U of Minnesota, Ph.D. from UNC Chapel Hill
Yuan Sun @yuansun2021
415 Followers 364 Following Ass Prof @UFJSchool #AI #commtech #advertising #HCI @PKU1898, @PSUBellisario alum
Katy Pearce https://m... @katypearce
10K Followers 3K Following Associate Prof @uwcomm. I study tech & inequality in 🇦🇲 & 🇦🇿. Posts research & pop culture & parenting. She/her. #BlackLivesMatter. Very COVID cautious.
Alvin Zhou @alvinyxz
971 Followers 555 Following Computational Strategic Communication Assistant Professor @UMN_HSJMC | Previously @AnnenbergPenn @Wharton @USCAnnenberg @Tsinghua_Uni
Biying Wu-Ouyang @BiyingWuOuyang
1K Followers 858 Following Assist Prof at EdUHK | media tech| news | pol comm| affect, curation, algorithm | health | PhD from @CUHKofficial |@PSUBellisario @kingsartshums alumni
Yiyan Zhang @YiyanZhang_COM
686 Followers 283 Following Assistant professor at Renmin University of China | Social media, media effects & civic engagement | COMputational methods | Pronounced as "EE-yen"
Yoo Jung (Erika) Oh @yoojungerikaoh
795 Followers 416 Following Asst. Prof @CommDeptMSU | Research Human-AI Comm; Persuasive Technology. Develop & test AI chatbots 🤖 for health behavior change🏃♀️
Shuning Lu, PhD @shuning_lu
378 Followers 352 Following
Chirper @chirperai
13K Followers 991 Following Building the most advanced AI agent ecosystem ever. $CHIRP CA: Cy7rUZ5rK2ukitsAVVfK5Kn8t35TR417RRuURPWoRBAFYou might like
