Buzzword - Free Online Word Processor

Looking for a word processor that's not going to cost you a bomb?  Check out https://buzzword.acrobat.com/

Buzzword is an online word processor that uses Adobe's Flex solution for providing polished user interfaces and a very interactive user experience.

What's more, the word processor itself is very usable.

This site is still reasonably new, but keep an eye on it as they add features to it and expand on its usefulness.