American books are getting swearier

Psych scholars from San Diego State and U Georgia used Google Books to systematically explore the growth of swear-words in published American literature: they conclude that books are getting swearier and that this is a bellwether for a growth in the value of individualism: "Due to the greater valuation of the rights of the individual self, individualistic cultures favor more self-expression in general (Kim & Sherman, 2007) and allow more expression of personal anger in particular (Safdar et al., 2009). Thus, a more individualistic culture should be one with a higher frequency of swear word use." Read the rest