Hacker News on 16 January 2012

• Wikipedia to Shut Down on Wednesday to Protest SOPA
• SOPA 'shelved' until consensus is found
• JSON will be a core type in PostgreSQL 9.2
• Website outages and blackouts the right way
• Making Love to Webkit
• Trust is Fragile
• On the Usability of Codecademy
• What It’s Really Like to Work at Google
• Commenting, community deterioration, and Hacker News
• Login to your Google account by scanning a QR code