Hacker News on 18 November 2011

• Sergey Brin gives $500,000 to help Wikipedia
• Back to the Future Photo Project (NSFW)
• An Introduction to Stock & Options for the Tech Entrepreneur or Startup Employee
• Nancy Pelosi, Ron Paul join SOPA opposition
• Tumblr's anti-censorship message generated 87,834 phone calls to representatives
• USB Stick Contains Dual-Core Computer, Turns Any Screen Into an Android Station
• Show HN: When is good time to submit a story on HN?
• SOPA sponsors break their own laws
• Neutrino experiment affirms faster-than-light claim
• Please Poach Me