Financial markets like the Ajax and Web2 stuff. So which company has bought no Web 2.0 Wordprocessor yet? Adobe's new toy is known as "buzzword".
You can save a document in the BuzzWord system, export it to Word or RTF, or print it. But you can't save to HTML nor, ironically, to Adobe's own PDF format.
But the real potential lies in services such as
Believe it or not, you even find the ECMA 376 specifications there