Hacker News on 25 February 2018

• How poverty changes your mindset
• What I Learned Burning $14k on YouTube Ads for Candy Japan
• Dropbox saved almost $75M over two years by moving out of AWS
• Requests-HTML: HTML Parsing for Humans
• What is happening in the Arctic is now beyond words, so here are the pictures
• A Brief Introduction to Machine Learning for Engineers (2017)
• Bootstrap yourself to write an OS from scratch
• Web application from scratch, part I
• Mark Felt-Tipped: Uncovering top-secret information by counting pixels
• In an Era of ‘Smart’ Things, Sometimes Dumb Stuff Is Better