Hacker News on 16 May 2021

• Observing my cellphone switch towers
• CEO behind Japan’s best-performing stock says his secret is raising salaries
• Building a personal website in 2021
• I have a lot to say about Signal’s Cellebrite hack
• SeaGlass: City-Wide IMSI-Catcher Detection (2017)
• Systemd: The Good Parts
• Ask HN: What are some tools / libraries you built yourself?
• Coin Carbon Cap – PoW cryptocurrencies ranked by energy efficiency
• Half a million lines of Go
• The man who didn't invent Flamin' Hot Cheetos