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AI & Machine Learning

The most popular blog posts about ai & machine learning on Hacker News. 762 posts.

2026
331

Waymo in Toronto

Waymo is officially heading to Canada! We’re laying the groundwork for our fully autonomous ride-hailing service in Toronto, investing in local facilities and jobs, with the goal of welcoming our first riders in 2028.

346

A Post-Quantum Future for Let's Encrypt

Let’s Encrypt is committed to a post-quantum-safe Web PKI. The path we’re planning to take is Merkle Tree Certificates (“MTCs”), a new approach that adds post-quantum authentication to the web without sacrificing the speed and reliability that have made TLS universal. This post is about these plans and why we believe…

351

Managing AI Coding Costs at Scale

AI coding tools deliver immense value: at Databricks, agentic coding has measurably improved every velocity metric we track and, in some teams, driven an order-of-magnitude gains in output. But nearly every company deploying AI tools at scale has hit the same wall: exponentially growing costs.