Hacker News on 9 October 2017

• Tracking friends and strangers using WhatsApp
• Microsoft gives up on Windows 10 Mobile
• Librem 5 Phone Funded
• Equifax Breach Fallout: Your Salary History
• Dear Silicon Valley: America’s fallen out of love with you
• Tokyo Is Preparing for Floods ‘Beyond Anything We’ve Seen’
• Jewelbots – A Friendship Bracelet You Can Code
• Ask HN: How and where can I publish my research on AI as a college dropout?
• Reverse Engineering MacOS High Sierra Supplemental Update
• Readings in Database Systems, 5th Edition (2015)