Many people think they’re good at multitasking because they switch tasks quickly. But what’s lost isn’t time on the clock—it’s the mental residue left behind from the task just left. Open a new tab. Jump into a new stream. Reply to the latest thing. Then return to your main task with a mind still unfinished from the last one. It looks like you’re still working. But in reality, you’re carrying multiple unfinished tasks at once. Focus isn’t just about choosing the right task—it’s about closing the previous one before opening the next. Are you switching tasks… or just piling up unfinished work?