Hacker News on 21 February 2013

• Throwing and catching an inverted pendulum with quadrocopters
• The Chromebook Pixel
• The Truth about a Failing Startup
• Sony Pirates KDE Artwork
• Petition to make unlocking phones legal again passes 100,000 signatures
• How To Make a Quick Buck
• LivingSocial: Employees' and Founders' Common Stock Now Worthless
• Google has killed Android (the brand)
• The Play Framework at LinkedIn
• Thrown Off a United Airlines Flight for Taking Pictures