Every day we are confronted with situations in which we must make predictions based on limited information. Will this new companys stock go up? Will the job candidate I interviewed this morning be a good employee? Is my childs behavior an early sign of autism? We tend to dismiss first impressions as prone to mistakes, but in The Tell psychologist Matthew Hertenstein argues that our ability to make predictions based on limited knowledge and intuition is surprisingly accurate and shows how we can harness it to improve the decisions and outcomes of our daily lives.