sound family? don't worry-you're not alone. research shows that when we multitask, we are actually playing a trick on ourselves. we think we're doing more, but actually we're not. in fact, multitask can lead to a 40 percent drop in productivity. researchers say that we don't really multitask at all; we "switch-task," and when we switch from one thing to another, we're simply interrupting ourselves to do something else