Hacker News on 3 February 2017

• Ventusky – Weather data visualization
• Announcing GVFS: Git Virtual File System
• Amazon soars to more than 341K employees, adding 110K people in a single year
• Breakdown of a Simple Ray Tracer
• What should you think about when using Facebook?
• Snap commits $2B over 5 years for Google Cloud infrastructure
• SQLITE: JSON1 Extension
• The Purpose of Sleep? To Forget, Scientists Say
• Nullsoft: The death of the last maverick tech company (2004)
• The Gray-1, a homebrew CPU exclusively composed of memory