Multitasking is a skill. If you can use your ability to multitask consciously then you're going to be productive. If you let multitasking use you, then not only will you be unproductive, you're going to be overwhelmed, anxious, and constantly busy.
Most productivity gurus will tell you that multitasking is bad. It'll make you stupid they say. It's worse than smoking drugs they say. And although these points may be true, if you can use multitasking…