Inertia implies that once we stop doing something, getting started again is harder than continuing the whole time would have been. At a basic level, many brain studies have shown that the idea of multitasking is a myth. When we shift our focus from one input to another, we exert more energy and use more time to finish everything than if we would have completed one task before starting another. Inertia also helps to explain why we continue on with bad habits and why it’s hard to make systematic change. Many cities continue to rely on cars for short commutes instead of implementing an
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