We seem to assume that if there's something really important, it will automatically draw our attention to itself. We're generally not aware of all the stuff we're missing because, of course, we've missed it. The most common sort of accident is what's known as they looked but didn't see accident. Just because your eyes are on something doesn't mean that you see it. It's like talking ot a phon and driving is a lot like trying to chew gum, whistle and talk at the same time. Those all use your mouth and sit in computing ways. We just don't realize that they. And there's basically no evidence at all that using a hand free phone is going to