Hacker News on 31 January 2015

• Screw motivation, what you need is discipline
• Project Euler's 500th problem
• The NFL wants you to think these things are illegal
• Relay FAQ: Facebook's Data-fetching Framework for React
• Thepiratebay.se is back online
• Google Earth Pro is now free
• Dirty lens article
• 10,000 Hours with Reid Hoffman: What I Learned
• A Maze of Murderscapes: Metroid II
• The Decline of the Xerox PARC Philosophy at Apple Computers (2011)