https://medium.com/illumination/a-habit-you-want-to-quit-now-c5002f7536c?sk=cb14e34ce8b4b4148fa6e4d56e2f1f2c medium.comA Habit to Stop Now!How you can increase your productivity
"A simple way to test this is to try patting your head and rubbing your belly simultaneously."
Perfect example of avoiding multitasking.