Let’s face it: Big Data is useful if you’re trying to determine what happened to the universe 17 milliseconds after the Big Bang. Big Data is useful in a business sense for Wal~Mart, which handles over one million customer transactions per hour. Big Data is also fine for the U.S. government, which owns six of the world’s 10 biggest supercomputers. Now let’s look at your business. How many supercomputers do you own? Probably none. So instead of seeing how Big your Data can be, you are probably better off cutting your data down to size. Let’s look at some ways of doing that — and how you’ll save a Big Bunch of Bucks in the process.