Fig. 1. The x axis is a measure of a word’s frequency in Google’s Fiction corpus relative to the general Google US corpus, between 1990 and 1999. The y axis shows the change in frequency between 1990–1999 and 2000–2019. The positive correlation shows that words which are more likely to appear in fiction between 1990 and 1999 were more likely to increase in overall frequency after 2000. This is consistent with a shift toward including more fiction in the corpus post-2000. aDepartment of History, New York University, New York, NY 10012; bDepartment of Psychology, University of California, Berkeley, CA 94720; and cDepartment of Linguistics, University of Texas at Austin, Austin, TX 78712