Hacker News on 22 February 2010

• There are good reasons for saying hello.
• The Spy at Harriton High
• Jesse Schell’s mindblowing talk on the future of games
• Jason Calacanis Knows He's Spamming Google, He Just Thinks It's No Big Deal
• The Non-Programming Programmer
• Spam vs Mahalo: Matt Cutts Explains the Difference
• Don't become an expert
• Why I don't write about programming and why it's not really worthwhile to do so
• No Accounting for Startups
• Taste test: Wal-Mart vs. Whole Foods produce