<i>But being better will not convert all those existing Word documents and corporate policies.</i><p>Which is why all Macs, iPhones, iPods Touches, and iPads support viewing and to some degree authoring of Word, Excel, and PowerPoint documents, and also Microsoft Exchange. In the case of Microsoft's dominance, they shrewdly chose to work with the grain, and the result is a better product for the significant number of users who need it. That is: it all comes back to what "better" means to the people with the money.