From The Telegraph:
The study of Lego’s 6,000 mini-figures released from 1975 to 2010 found that they all had the same smiley face until 1989. However the range has since expanded to include hundreds of different emotions – and the faces are increasingly angry.
“The children that grow up with Lego today will remember not only smileys, but also anger and fear in the mini-figures’ faces,” the study says.
“The Lego company started in 1989 to dramatically increase the variety of facial expressions. The two most frequent expressions are happiness and anger and the proportion of happy faces is decreasing over time. We cannot help but wonder how the move from only positive faces to an increasing number of negative faces impacts how children play.”
Continue reading the rest of the story on The Telegraph