We Feel Fine is an applet that explore the emotions of the blogosphere. The methodology used is described here:

At the core of We Feel Fine is a data collection engine that automatically scours the Internet every ten minutes, harvesting human feelings from a large number of blogs. Blog data comes from a variety of online sources, including LiveJournal, MSN Spaces, MySpace, Blogger, Flickr, Technorati, Feedster, Ice Rocket, and Google.

Today is Thanksgiving and I took a screenshot of the metric page:

We see that today people feels 37,5 times more thankful than the normal level. And also 17,5 times more fortunate. It’s amazing to see the impact of Thanksgiving on people’s emotions.

The more popular emotions are displayed in the screenshot below:

We Feel Fine / by Jonathan Harris and Sep Kamvar