This is amazing. Shared document editing that can be uploaded or downloaded and shared in a million ways, including sending right to a blog. Writeboard is totally primitive compared to this, which allows you to tag your documents.

A post from the socialsoftwareweblog about online collaborative text editors.

This is a really hard thing to tag. Basically, it's a grid that shows what little applications exist that combine other commong applications. So, for instance, what exists to combine Flickr with Delicious. or with Google Earth. Or amazon.