Hacker News on 10 August 2013

• CSS Absolute Centering
• The president is wrong: The NSA debate wouldn’t have happened without Snowden
• Lavabit's founder: 'If You Knew What I Know About Email, You Might Not Use It'
• Show HN: TextBlob, Natural language processing made simple in Python
• How I Created the Iconic iPhone Sound
• Text-based terminal screencasts
• Vim 7.4 is released
• How Your Brain Becomes Addicted to Caffeine
• Why founders fail: the product CEO paradox
• What makes Lua tick?