Hacker News on 4 January 2012

• A Man. A Van. A Surprising Business Plan.
• I was on BloombergTV talking SOPA today - how'd I do?
• Never create Ruby strings longer than 23 characters
• Bill Joy's greatest gift to man – the vi editor
• Why do we pay sales commissions?
• Google+ Is Going To Mess Up The Internet
• A Programming Idiom You've Never Heard Of
• Why the Movie Industry Can't Innovate and the Result is SOPA
• Top TED Talks of 2011 To Inspire Tech Startups
• Being recruited in the USA