Hacker News on 9 March 2020

• “Just walk out” technology by Amazon
• Italy is extending its coronavirus quarantine measures to the entire country
• Trading halted as U.S. stocks plummet
• The unexpected Google wide domain check bypass
• S&P 500 Plunges 7%, Triggering Market-Wide Stock Trading Halt
• The opt-out illusion: how we have acquiesced to losing our privacy
• How I made a 3D game in 2 KB of JavaScript
• Defunctionalisation: An underappreciated tool for writing good software
• Robinhood goes down again, during another historic trading day
• Sensor Tower owns ad blocker and VPN apps that collect user data