6.17.25 | WhatsApp adds ads, Nanonets-OCR-s converts documents to markdown, Chawan TUI web browser showcased

This is a recap of the top 10 posts on Hacker News on Jun 17, 2025.WhatsApp introduces ads in its apphttps://www.nytimes.com/2025/06/16/technology/whatsapp-ads.htmlhttps://news.ycombinator.com/item?id=44289412Nanonets-OCR-s – OCR model that transforms documents into structured markdownhttps://huggingface.co/nanonets/Nanonets-OCR-shttps://news.ycombinator.com/item?id=44287043Show HN: Chawan TUI web browserhttps://chawan.net/news/chawan-0-2-0.htmlhttps://news.ycombinator.com/item?id=44293260Generative AI coding tools and agents do not work for mehttps://blog.miguelgrinberg.com/post/why-generative-ai-coding-tools-and-agents-do-not-work-for-mehttps://news.ycombinator.com/item?id=44294633Show HN: Canine – A Heroku alternative built on Kuberneteshttps://github.com/czhu12/caninehttps://news.ycombinator.com/item?id=44292103Benzene at 200https://www.chemistryworld.com/opinion/benzene-at-200/4021504.articlehttps://news.ycombinator.com/item?id=44290413OpenAI wins $200M U.S. defense contracthttps://www.cnbc.com/2025/06/16/openai-wins-200-million-us-defense-contract.htmlhttps://news.ycombinator.com/item?id=44293988Show HN: Zeekstd – Rust Implementation of the ZSTD Seekable Formathttps://github.com/rorosen/zeekstdhttps://news.ycombinator.com/item?id=44284871What happens when clergy take psilocybinhttps://nautil.us/clergy-blown-away-by-psilocybin-1217112/https://news.ycombinator.com/item?id=44293610Dull Men’s Clubhttps://www.theguardian.com/society/2025/jun/09/meet-the-members-of-the-dull-mens-club-some-of-them-would-bore-the-ears-off-youhttps://news.ycombinator.com/item?id=44291892