Greg Cook @GregCook2011
To the stars. SMA. The future takes time. Synthesizer, Polymath. Views expressed here are my own. Toronto region of space Joined December 2010-
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Connecting the world of bits and atoms has never been easier. This is Sony's "Hawk-Eye" system that fuses dozens of cameras placed around a stadium to build a spatial 4D understanding of the action in real-time! It can accurately track the flight path of a ball, determining…
OpenAI realesed new paper. "Why language models hallucinate" Simple ans - LLMs hallucinate because training and evaluation reward guessing instead of admitting uncertainty. The paper puts this on a statistical footing with simple, test-like incentives that reward confident…
The rate of AI progress makes it so a lot of the problems that didn’t work previously will finally work now. But a significant portion of the capability of these models goes underutilized as a result. I regularly talk to enterprise customers where a use case they had last year…
The rate of AI progress makes it so a lot of the problems that didn’t work previously will finally work now. But a significant portion of the capability of these models goes underutilized as a result. I regularly talk to enterprise customers where a use case they had last year…
If you’re worried AI is biased, wait until you meet a human.
I think congrats again to OpenAI for cooking with GPT-5 Pro. This is the third time I've struggled on something complex/gnarly for an hour on and off with CC, then 5 Pro goes off for 10 minutes and comes back with code that works out of the box. I had CC read the 5 Pro version…
conversation branching now live in ChatGPT:
Just was teaching my daughter about asymmetric upside on attending events. The worst case on most things is you lose a bit of time and effort. But the right conversation can open doors that can be life changing. Lean into yes. She still said no though.
being a founder is realizing every '10-step plan' is actually 100 steps bc each step hides 10 subtasks… and then subtask #1 alone eats your whole week.
Short, purposeful trips with someone (2–5 days) reveal more than 6 months of dinner/lunch meetings.
More data ≠ better fine-tuning. Sometimes the 'undertrained' model is more useful because it's still plastic. We need to map the capability vs. adaptability frontier better.
The reason coding agents won't end up saving anyone any time is because now i can be in meetings all day and still implement a new feature just by yelling at the robot, and meetings always expand to fill all available space
department of war is on brand. ministry of peace has a better ring to it.
I'll note again that it seems nuts that, despite every AI lab launching a half-dozen new products, nobody is doing anything with GPTs, including OpenAI When I talk to people at companies, this is still the way non-technical people share prompts on teams. No big change in 2 years
We know that AI will create lots of new jobs, yet also create disruption. We’re announcing the OpenAI Jobs Platform to connect AI-ready workers with companies who need AI skills, and OpenAI-Certified for workers to learn and demonstrate their AI skills. openai.com/index/expandin…
🧠A landmark new anti-aging study published in Nature, maps out what exactly goes wrong inside brain cells as we get older. The team found that short, highly active “housekeeping” genes, which keep cells running, get hit hardest by DNA damage over time. These genes lose…
Humans are built for challenge. Retire at 55 and you’re 89% more likely to die within 10 years, says the British Medical Journal. We need to feel ALIVE to stay ALIVE.
10% of September 2025 has passed, pace your marathon and keep going

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