Hacker News on 18 March 2016

• Ask HN: How much do you make at Amazon? Here is how much I make at Amazon
• FingerIO: Using Active Sonar for Fine-Grained Finger Tracking
• An Experimental Autism Treatment Cost Me My Marriage
• Study: Immigrants Founded 51% of U.S. Billion-Dollar Startups
• I Am Sam Altman, President of Y Combinator. AMA
• The 451 status code is now supported
• Statically Recompiling NES Games into Native Executables with LLVM and Go (2013)
• Engineers Shouldn’t Write ETL
• No More Full Table Vacuums in PostgreSQL
• That Time an SR-71 Made an Emergency Landing in Norway