Hacker News on 1 December 2007

• Bill Clementson's Blog: Lisp is for Entrepreneurs - Part 2 (Amazon)
• Amazon Startup Challenge Videos (including Justin.tv)
• Hacker News IRC chat room?
• GNU folks notice PDF functionality is missing, decide to do something about it
• MD5 is dead
• The Other Other Road Ahead
• Cuter scooter defined by electricity, portability
• Don't scale: 99.999% uptime is for Wal-Mart
• Ask YC: When (if ever) is it better to submit to reddit/digg on a low traffic day?
• Double-checking Dawkins