Microsoft To Do is a free app from Microsoft and it’s one of the best to-do list apps on the market. This app will sync across all your devices. I use it on my computer, my phone and my iPad and it ...

Basically, the Pareto principle states that 80% of your outcomes result from just 20% of your effort. The principle was coined by consultant Joseph M. Juran in the 1940s and he named it after a ...