Hacker News on Sunday, 6 July 2025

Stories posted this day, by points. Rank history starts with the October 2026 rebuild.

Screenshot of github.com: Bitchat – A decentralized messaging app that works over Bluetooth mesh networks

Bitchat – A decentralized messaging app that works over Bluetooth mesh networks (github.com)

677 points by ananddtyagi 1 year ago | 309 comments

GitHub repository for bitchat, an open-source decentralized chat app that sends messages over Bluetooth mesh networks with an IRC-like feel.

bluetooth-mesh bitchat decentralized-messaging ios

Screenshot of alpha.lisagui.com: Show HN: I wrote a "web OS" based on the Apple Lisa's UI, with 1-bit graphics

Show HN: I wrote a "web OS" based on the Apple Lisa's UI, with 1-bit graphics (alpha.lisagui.com)

492 points by ayaros 1 year ago | 137 comments

LisaGUI, a browser-based web OS written in vanilla JavaScript that recreates the Apple Lisa Office System's 1-bit UI on a single canvas element.

apple-lisa web-os javascript canvas

Screenshot of github.com: I extracted the safety filters from Apple Intelligence models

I extracted the safety filters from Apple Intelligence models (github.com)

475 points by BlueFalconHD 1 year ago | 352 comments

GitHub repository containing decrypted safety filter override files for Apple Intelligence generative models, plus Python and LLDB tools used to decrypt them.

apple-intelligence reverse-engineering content-filtering ai-safety

Screenshot of geohot.github.io: Are we the baddies?

Are we the baddies?(geohot.github.io)

467 points by AndrewSwift 1 year ago | 298 comments

George Hotz blog post criticizing manipulative tech products like Hinge boosts, tip screens, and Uber algorithms that use psychology and AI to extract money from users.

dark-patterns tech-ethics hinge dating-apps

Screenshot of addxorrol.blogspot.com: A non-anthropomorphized view of LLMs

A non-anthropomorphized view of LLMs (addxorrol.blogspot.com)

453 points by zdw 1 year ago | 377 comments

Blog post on ADD / XOR / ROL arguing LLMs should be viewed as mathematical functions mapping paths through embedding space rather than human-like agents.

llms ai-safety alignment anthropomorphism

Screenshot of cnbc.com: Jane Street barred from Indian markets as regulator freezes $566M

Jane Street barred from Indian markets as regulator freezes $566M (cnbc.com)

446 points by bwfan123 1 year ago | 265 comments

CNBC news article reporting that India's securities regulator SEBI barred Jane Street from Indian markets and froze about $566 million over alleged manipulation.

jane-street sebi india market-manipulation

Screenshot of freyaindia.co.uk: Nobody has a personality anymore: we are products with labels

Nobody has a personality anymore: we are products with labels (freyaindia.co.uk)

442 points by drankl 1 year ago | 354 comments

A Substack essay by Freya India arguing that people now define themselves through labels and diagnoses, turning personalities into marketable products.

personality self-identity social-media mental-health