I think apple said that the new iphone with the 2.0 software is going to allow users to view attachments of emails (i.e. word, pages, numbers, excell, keynote, powerpoint) and modify them. 
I send me an emal with a word document, but it doesn's show on my iphone, it displays the blue question mark.
Then I send me an email with a numbers document, and I was capable to view it, but not to modify the document....
I send me an emal with a word document, but it doesn's show on my iphone, it displays the blue question mark.
Then I send me an email with a numbers document, and I was capable to view it, but not to modify the document....