"Confirming recent comments by Microsoft Corp. CEO Steve Ballmer, an independent study released Friday found OpenOffice.org's free office suite to be five times more popular among adult U.S. internet users than Google Docs.

Microsoft Office remains dominant, with 51% of American internet users over age 18 using it, according to a 6-month study conducted by market researcher ClickStream Technologies.
...."

Link:
http://www.computerworld.com/action/article.do?command=printArticleBasic&taxonomyName=Desktop+Applications&articleId=9120418&taxonomyId=86