Hacker News on 22 March 2011

• Firefox 4 is here
• Mozilla Glow: Awesome Firefox 4 live download day map
• Google releases snappy, the compression library used in Bigtable
• Dropbox and why you should invest in people
• Code School now open to the public
• Bag of hurt
• Mainstream Failure
• Linus Torvalds says Android kernel headers claims totally bogus
• Kevin Rose on the sources of Digg's problems
• MetaLab launches "Flow" Asana competitor