> He uses files to do it as well! Opening an Excel spreadsheet. I find it interesting that your first example of a file-centric (rather than app-centric) workf

> He uses files to do it as well! Opening an Excel spreadsheet. I find it interesting that your first example of a file-centric (rather than app-centric) workflow describes the file by the application that creates/views/edits it. Can you do anything with this "Excel spreadsheet" on an iPad other than open it in Excel?