Cosplaying Curiousity And Obsession
Nigeria
Joined January 2023
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hardly listen to music by myself. when i do it’s just one song on repeat for hours, days and months. yukon this year. outerspace by joey for 2 yrs. joji’s glimpse of us for a year. a loop of two other joji songs the next. birdie for a final uni year. but not autistic or near.
Do you think we’re living in a simulation?
This Stanford PhD raised over $300M, now valued at $2B, backed by Fei-Fei Li (@drfeifei), Andrej @karpathy, Greenoaks, & @IndexVentures, to build AI simulations of real people.
Their Stanford research achieved 85%+ accuracy predicting human behavior.
I sat down with Simile Co-Founder & CEO Joon Sung Park (@joon_s_pk) to get into it all.
Simile (@simile_ai) builds real-world simulations with access to 40M+ real people across its global panel partnerships for companies liek Deloitte, Wealthfront, CVS & more to test major decisions.
Joon completed his Stanford PhD advised by Michael Bernstein & Percy Liang, now his co-founders, & is the first author of the 'Generative Agents' paper. That paper introduced Smallville, a simulated town where 25 LLM-powered agents lived, worked, & socialized on their own.
Recorded at Index Ventures in San Francisco, we talked about Elon Musk’s simulation theory & whether human behavior can actually be predicted..
𝐓𝐈𝐌𝐄𝐒𝐓𝐀𝐌𝐏𝐒
(00:00) Joon Sung Park, Co-Founder & CEO at Simile
(00:44) Do we live in a simulation?
(04:01) The AI town that planned its own Valentine’s party
(06:46) Predicting human behavior with 85% accuracy
(11:09) Is human behavior predictable?
(13:40) What really drives human decisions?
(15:45) How Simile simulates customers & markets
(20:05) Why big companies want simulated customers
(21:31) Digital twins & a panel of 40M real people
(22:51) Who actually answers polls????
(24:22) How Simile keeps bad data out
(29:29) What Simile predicted about this episode
(33:34) The EV campaign that looked perfect until it wasn’t
(37:02) Simulating climate change, AGI & UBI
(39:06) What happens when you simulate your interviewer
(40:13) Raising $300M at a $2B valuation
(44:54) Simulation is in its GPT-4 era
(49:43) What the most successful people have in common
(53:58) The “now what?” moment that ends careers
(55:25) The $15B question
so many people think they are smarter than everyone else. only very few are and even fewer make a big deal of it. I would have been like that after coming first every year in school. thank god i learned from a young age that my sense is very small and the world is very big🙏
COCAO retweeted
Anthropic S-1 is out. Enjoy. Summary / key info in thread.
sec.gov/Archives/edgar/data/…
COCAO retweeted
The best team to have pulled this off: @abulaforever, @buniebuns, @MafiaSlice, @Lifewithakor, #NoTwitterBobby, #NoTwitterRuth.
Best team!!
COCAO retweeted
I am excited to announce the launch of Tech This Week, Africa’s live technology show —covering the biggest news in tech and business!
African tech is shaping everyday life far beyond the tech ecosystem – sports, culture, and entertainment.
The conversations should reach just as far, and livestreaming is the next evolution.
Tech This Week will premiere on my X, LinkedIn and YouTube today at 6pm WAT — from Lagos, the startup capital of the continent.
Thanks for your interest in tech ✨
COCAO retweeted
Humans + agents + AI + the future of the internet.
Hear about it all from @Cloudflare and World at Cloudflare Connect on Tuesday.
cloudflare.com/connect/sessi…
COCAO retweeted
Morvdesk Selects Decide for Enterprise AI Deployment in 12-Month Commercial Partnership
trydecide.ai/blog/morvdesk-s…
COCAO retweeted
Excited to announce that we’ve signed a 12-month commercial agreement with Morvdesk (morvdesk.com/), a Europe-based investment product manufacturer.
Decide will provide specialized AI models, agents, and infrastructure, while both teams collaborate to build and deploy AI solutions for investment research and financial operations.
Another step towards bringing our technology into more enterprise environments.
COCAO retweeted
Excited to share that @swoopappng has averaged over 550 daily orders this week… from a single restaurant! A huge thank you to the restaurant team for making this possible and preparing over 3 orders per minute at peak times!
And we are welcoming our 2,000th restaurant partner to the platform this week as well.
We launched Swoop in Lagos less than six months ago. This rapid growth is a testament to our work to make food delivery faster and more affordable for all Nigerians. Next up: bringing Swoop to more Nigerians, starting with our first cities outside Lagos.
COCAO retweeted
Nearly every phone and computer on Earth relies on one plain-text file to know what time it is.
When a country changes its clocks with a few weeks’ notice, or Morocco pauses daylight saving for Ramadan, someone has to update that file. Since 02005, that someone has been Paul Eggert, a computer science professor at UCLA, who does it as a volunteer.
Take a look at this great data visualization to see the full story:
na2.hubs.ly/H08qtQC0
COCAO retweeted
AI is changing how people work, live, and engage in society worldwide, but these changes look different from place to place.
Today, we are launching Immense, a new publication that is dedicated to promoting conversations and ideas about AI and its impact across the Global South.
We want to create a space to share brilliant perspectives on how it is changing societies, economies, and everyday life in this part of the world.
Submissions are now open for our inaugural December 2026 issue. If you have an idea, essay, or story worth sharing, we would love to hear from you.
Learn more and submit your work at immensemag.com
We pay a stipend for every published piece.
COCAO retweeted
We just completed training Nerve-1, our first AI model built entirely from scratch.
Nerve-1 is a lightweight, ~34M-parameter model trained on over 23 billion tokens.
It’s designed for intelligent routing, deciding how much reasoning effort a task requires and directing it to the most suitable AI model.
It runs entirely on regular CPUs, making routing decisions in milliseconds. We estimate it could reduce our inference costs by at least 30%.
Rolling out soon to all businesses and users on @trydecideAI
