Hacker News on 4 February 2014

• Satya Nadella – Microsoft's CEO
• Put.io
• Don't End The Week With Nothing
• After Tyrone Hayes said that a chemical was harmful, its maker pursued him
• Scenes from a militarized America
• Firefox 27 Released
• DEA redacts tactic that's more secret than parallel construction
• Indian School Girl Creates Washing Machine That Runs Without Electricity
• Sheriff Fires Cop Who Threatened to Arrest Me for Taking Photos of Cops
• Modern Microprocessors: A 90 Minute Guide