Summary: The text discusses the concept of "multitasking" and how it can negatively impact productivity and cognitive performance. It explains that while many people believe they are skilled multitaskers, research shows that the brain is not able to effectively focus on multiple tasks at once, leading to decreased efficiency and quality of work. The text also highlights the dangers of distracted driving caused by multitasking behaviors, stressing the importance of focusing on one task at a time to prevent accidents and improve overall performance. Ultimately, the text emphasizes the need for individuals to prioritize tasks, minimize distractions, and practice mindfulness in order to maximize productivity and cognitive function.