Hacker News on 31 March 2009

• Jason Fried: Get Satisfaction is "awfully close to blackmail"
• Google Ventures
• GM's Problems are 50 Years in the Making
• Patch to fix RSS feed for News.YC
• Kevin Rose and Tim Ferriss talk about Startups, Angel Investing, YC and Traffic/Conversions
• 2009 Rubyist's guide to a Mac OS X development environment
• Tell HN: StackOverflow is just terrific
• That's Only Ten Lines Of Code
• A 3700-year-old proof that the diagonal of a unit square has length √2
• Smaz - short strings compression library