Ask HN: How to solve the cold start problem for two-sided marketplace?
https://news.ycombinator.com/item?id=47834213
https://news.ycombinator.com/item?id=47834213
Palantir Wants to Reinstate the Draft
https://reason.com/2026/04/20/this-big-tech-firm-wants-to-reinstate-the-draft/
https://reason.com/2026/04/20/this-big-tech-firm-wants-to-reinstate-the-draft/
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NASA had to train Apollo 11's astronauts to not use profanity
https://www.columbian.com/news/2019/may/31/bad-words-led-some-to-swear-off-apollo-program/
https://www.columbian.com/news/2019/may/31/bad-words-led-some-to-swear-off-apollo-program/
F-35 is a masterpiece built for the wrong war
https://warontherocks.com/cogs-of-war/the-f-35-is-a-masterpiece-built-for-the-wrong-war/
https://warontherocks.com/cogs-of-war/the-f-35-is-a-masterpiece-built-for-the-wrong-war/
War on the Rocks
The F-35 Is a Masterpiece Built for the Wrong War
Think of a violin made by a master craftsman: beautiful, precise, capable of extraordinary performance, but impossible to produce quickly or cheaply. It
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Tim Cook to become Apple Executive Chairman
https://www.apple.com/newsroom/2026/04/tim-cook-to-become-apple-executive-chairman-john-ternus-to-become-apple-ceo/
https://www.apple.com/newsroom/2026/04/tim-cook-to-become-apple-executive-chairman-john-ternus-to-become-apple-ceo/
Apple Newsroom
Tim Cook to become Apple Executive Chairman John Ternus to become Apple CEO
Apple announced Tim Cook will become executive chairman of Apple’s board of directors and John Ternus will become Apple’s next CEO.
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Tim Cook Stepping Down as Apple CEO, John Ternus Taking Over
https://techcrunch.com/2026/04/20/tim-cook-stepping-down-as-apple-ceo-john-ternus-taking-over/
https://techcrunch.com/2026/04/20/tim-cook-stepping-down-as-apple-ceo-john-ternus-taking-over/
TechCrunch
Tim Cook stepping down as Apple CEO, John Ternus taking over | TechCrunch
The transition has been expected for some time and ends one of the longer and more impactful runs a CEO has had at any company. Cook had inherited a company that many industry watchers and enthusiasts struggled to separate from its famed founder. What he…
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OpenAI ad partner now selling ChatGPT ad placements based on "prompt relevance"
https://www.adweek.com/media/exclusive-leaked-deck-reveals-stackadapts-playbook-for-chatgpt-ads/
https://www.adweek.com/media/exclusive-leaked-deck-reveals-stackadapts-playbook-for-chatgpt-ads/
ADWEEK
EXCLUSIVE: Leaked Deck Reveals StackAdapt’s Playbook for ChatGPT Ads
The DSP dangles ChatGPT ad placement driven by prompt relevance and CPMs range from $15 to $60, with a $50,000 minimum spend required for the pilot.
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Even 'uncensored' models can't say what they want
https://morgin.ai/articles/even-uncensored-models-cant-say-what-they-want.html
https://morgin.ai/articles/even-uncensored-models-cant-say-what-they-want.html
Morgin.ai
Even 'uncensored' models can't say what they want
A safety-filtered pretrain can duck a charged word without refusing. It puts a fraction of the probability an open-data pretrain puts there. We call that...
KV Cache Compression 900000x Beyond TurboQuant and Per-Vector Shannon Limit
https://arxiv.org/abs/2604.15356
https://arxiv.org/abs/2604.15356
arXiv.org
Sequential KV Cache Compression via Probabilistic Language Tries:...
Recent work on KV cache quantization, culminating in TurboQuant, has approached the Shannon entropy limit for per-vector compression of transformer key-value caches. We observe that this limit...
A Roblox cheat and one AI tool brought down Vercel's platform
https://webmatrices.com/post/how-a-roblox-cheat-and-one-ai-tool-brought-down-vercel-s-entire-platform
https://webmatrices.com/post/how-a-roblox-cheat-and-one-ai-tool-brought-down-vercel-s-entire-platform