Hacker News on 1 January 2018

• The mysterious case of the Linux Page Table Isolation patches
• Zero-Width Characters: Invisibly fingerprinting text
• Ask HN: What’s your favorite talk from 2017?
• What Could Have Entered the Public Domain on January 1, 2018
• Tiny, weird online communities made a comeback in 2017
• Former Google and Facebook execs are sounding alarms about the power of tech
• You are listening to San Francisco
• Why is writing mathematical proofs more fault-proof than writing code? (2011)
• Common Gotchas in Go
• Questions to ask yourself when writing tests