According to a study by a robot expert (how awesome a job title would that be?!), the expressions on Lego minifigs have gotten angier and sadder. Check out an article about the study here.
According to a guy who works for Lego, the angrier figures are in response to children's desire to act out conflicts. What do you think: are these toys just better designed for children's play or is there a darker psychological issue at play?