Not sure if this is new or not, but Moodgrapher tracks the moods (worried, happy, depressed, sick, etc.) of LiveJournal users in order to determine what the overall mood of the world/internet/blogosphere is. (thx ben)
...is a weblog about the liberal arts 2.0 edited by Jason Kottke since March 1998 (archives). You can read about me and kottke.org here. If you've got questions, concerns, or interesting links, send them along.