LiveJournal is one of several simple-to-use personal publishing (“blogging”) tools. Bloggers using LiveJournal can report their mood at the time of writing a post; about 80% of the posts indeed have a mood attached to them. MoodViews is a collection of tools for tracking the stream of mood-annotated text made available by LiveJournal and has lot of cool tools to visualize the mood of the LiveJournal.
Over at this site you can get a cool graphic representation of your website. Basically, this Java Applet lets you see the HTML tag hierarchy that your site uses to lay out your content. Below is what the DOM tree at Artifacting looks like. What does that mean for people like me and you? Unique, cool, tropical flower-like pictures, I guess. This Flickr set has graphic site-maps for a bunch of other blogs.
blue: for links (the A tag)
red: for tables (TABLE, TR and TD tags)
green: for the DIV tag
violet: for images (the IMG tag)
yellow: for forms (FORM, INPUT, TEXTAREA, SELECT and OPTION tags)
orange: for linebreaks and blockquotes (BR, P, and BLOCKQUOTE tags)
black: the HTML tag, the root node
gray: all other tags