Well hopefully zero, since Microsoft gives away free software to view Word docs (plus other apps for Excel and PPT): http://www.microsoft.com/en-us/download/det

Well hopefully zero, since Microsoft gives away free software to view Word docs (plus other apps for Excel and PPT): http://www.microsoft.com/en-us/download/details.aspx?id=4 http://www.microsoft.com/en-us/download/details.aspx?id=4 In practice, I'm sure lots of copies are sold for the reason you stated.