Asking "so what?" can bring out your hidden beliefs and ideas, says career strategist Gail Tolstoi-Miller. Six seconds. That's how long the typical recruiter is said to spend reviewing a resume. In order to whiz through a dashboard full of applicants, recruiters rely not only on their years in the workplace but also on something not so admirable: their unconscious biases. We all have biases, and without them, we might not function so effectively in the world.