剛剛睇Techcrunch，見到Ray Ozzie對於所有Web Office（不管是Google Docs還是Editgrid）的counter-spin是：

Should we race to the finish line and have something that was complementary with the base Office or should we do it in a way that guarantees compatibility so that we could implement things and have the same back end so that the same file formats would be … it would have their full richness and so on?

Microsoft繼續堅持以「compatibility」作為賣點，HEHE。