To-do lists are fundamental. They aren’t a complete solution to time management (time-boxing takes the idea further) but they are essential. Think of a typical day: we’re rushing around from meeting to email to work conversation to conference call, picking up countless tasks along the way. We need to log these tasks somewhere and then ensure that we action them when we finally get a moment of calm. For a lot of people, the next steps are to prioritise them and then schedule them. But it starts with to-do lists.
Source: learn.filtered.com