Social software: online word processors

I love finding stuff that makes my online experience easier, especially when I find websites that do things well and are free. In this case I'm referring to web-based word processors. Find a computer with Internet access, write your paper/recipe/hunting accident, and save it online. Come back to it and edit, rinse, repeat. It's that easy. I'm writing this brief post on one of those freebies right now called Writely (bought by Google not too long ago). Others include:

And we are not talking about limited word processing tools here but well integrated services that rival and surpass paid-for software, such as extensive text formatting, the ability to collaborate online with other users, save your work in a variety of formats, or publish your writing to your blog of choice, wherever you have an Internet connection. How cool is that?