Hacker News on 2 August 2014

• Vision-Correcting Displays [video]
• When It's Bad to Have Good Choices
• Please Give Edward Snowden His Medal of Freedom Already
• PostgreSQL/FreeBSD performance and scalability on a 40-core machine [pdf]
• Google tips off cops after spotting child abuse images in email
• Patching the Newton
• How I Accumulated 2M Stellar in Less Than 24 Hours
• Most Math Problems Do Not Have a Unique Right Answer
• Wikipedia Zero and Net Neutrality: Protecting the Internet as a Public Space
• The Great Colorado Weed Experiment