Hacker News on 18 October 2017

• Documenting the Web together
• AlphaGo Zero: Learning from scratch
• 75% decline over 27 years in total flying insect biomass in protected areas
• New law bans California employers from asking applicants their prior salary
• Napa.js: A multi-threaded JavaScript runtime
• Blockchains explained visually (part 1 of 2)
• Students learn more effectively from print textbooks than screens, study says
• Feynman’s Breakthrough: Disregard Others
• Selling My Bootstrapped SaaS Business
• It Takes Just $1k to Track Someone's Location with Mobile Ads