A real-life quote:

From a company that had moved from MS Office to OO.o: “...the suite's word processor application, Writer, seemed familiar as well." "Writer's "layout and command locations are similar to Microsoft Word's" and it was "very easy to perform the standard basic tasks in Writer."

-- http://www.eweek.com/c/a/Enterprise-Applications/Office-2003-vs-OpenOfficeOrg/1/