Stand in the middle of even the laziest stream, and you'll soon notice that the water around you doesn't ever stand still. Like the data in your organization, it comes from many sources and remains in perpetual motion. Trying to consolidate and organize all of that constantly-shifting information in manually-maintained Excel spreadsheets is like trying to hold the water firmly in your bare hand. If you did need to gather the water together and put it to some purpose, you'd find a better tool. Why not take the same approach with your data?