Hacker News on 12 March 2012

• Posterous acquired by Twitter
• Defining Property
• Paypal Does it Again
• A Dad’s Plea To Developers Of iPad Apps For Children
• Send Them Your Money: A Campaign to Send The RIAA/MPAA Billions
• Rabbit holes: Why being smart hurts your productivity
• The freedom to drink coffee
• Intro to Social Hacking: How we lowered our cancellation rate by 90%
• Paul Graham consistently says ‘um’ ~7 times per minute
• A "real" user proves Windows 8 fails on the desktop