Data Literacy and the usefulness of Excel with Oz du Soleil

With all this talk of Big Data, this episode we go smaller. Oz du Soleil has built his career on Excel. He feels that there isn't enough data literacy in our industry. While you're writing SQL queries, do you know where you data comes from? Is it clean and is it valid? Where does Excel and tools like it fit into the data-focused world of 2016?