Hacker News on 21 December 2011

• Jurors Need to Know That They Can Say No
• Facebook machine learning technology improves; Redditors alaramed.
• John Resig: JavaScript as a First Language
• Smoke Screening: Journalist tests TSA
• Hungry Academy - get paid to learn Ruby
• All Programmers Are Self-Taught
• Bingo Card Creator (etc) Year In Review 2011
• Startup Idea: User Retention as a Service
• Why I am Not a Professor, or The Decline and Fall of the British University
• Sites that pushed JavaScript to the limit