Hacker News on 23 December 2010

• Merry Christmas HN
• Pixel Art Scaling Algorithms
• Spelling Corrector in 21 lines of Python
• Who Writes Wikipedia?
• The Sad Story Of The Unicode Snowman
• The $20 Starbucks Test
• 1k 3D Christmas tree in Javascript
• My conversation with AT&T
• Why Businesses Can’t Stand Free Markets
• Unicode Snowman for You