Hacker News on 7 April 2010

• The Thrill of Flying the SR-71 Blackbird
• Ask HN: Are you happy, well-rounded? (dealing w/ depression/lack of motivation)
• Logarithmic calendar view
• Amazon introduces new service: Simple Notification Service
• Mona Lisa heist of 1911 concealed a perfect—and far more lucrative—crime
• IPad is Steve Jobs’ final victory over Steve Wozniak
• Bringing Down a Copycat Site
• How Ubuntu startup script deletes everything
• Ron Conway Explained
• Relativity gives gold its color