What a great question! Asked in this c|net news.com article about the new InfoPath program, a tool for integrating Office documents. That Microsoft is considering Office as a “platform” for development is no surprise to us who have used the Developer’s Kit for the last three or four versions. However, Micrososoft has had many tried-and-failed attempts with “Office-as-a-canvas,” non-document-centric interfaces. One of these times they’ll get it right.