Microsoft Excel is packed with useful data management features that don't see a lot of use, like pivot tables, index and match, and conditional formatting. If you're just using excel to sum and chart columns, this graphic can show you some other tools to help you become the spreadsheet ninja you always wanted to be.
Getting Things Done, or GTD, is a system for getting organised and staying productive. It may seem complicated on the outside, but the end goal is to spend less time doing the things you have to do so you have more time for the things you want to do. Let's break it down and see how you can apply a simplified version to your life.