Hacker News on 31 January 2008

• PG: Clarification about Character Sets
• TripIt is awesome
• Richard Stallman is the new Chuck Norris
• Digging into Arc In 24 Macros Or Less
• Stranded at the airport? Don't forget Rule 240
• Google, Facebook Battle For Computer Science Grads. Salaries Soar.
• In memory of chicagocrime.org
• Twitter and Joyent Divorce
• Even SSL Gmail can get sidejacked
• 7 Reasons No One Likes Your Ideas