Hacker News on 25 February 2017

• Machine Learning from scratch: Bare bones implementations in Python
• Cloudflare data still in Bing caches
• Annotation is now a web standard
• Linus on Git and SHA-1
• Warren Buffett's Annual Letter to Berkshire Hathaway Shareholders [pdf]
• The Future of Not Working
• Id Software Programming Principles
• Show HN: PDFLayoutTextStripper – Converts PDF to text while keeping the layout
• AMD’s $499 Ryzen 7 1800X Beats $1700 i7 6950X with 1-Click OC on Air Cooling
• Amazon Deforestation, Once Tamed, Comes Roaring Back