Parlez-vous français? Habla espanol? On Twitter, @aboutworldlangs featured an article last year: “Americans can earn 20% more an hour by learning a second language.” In the face of the culturally diverse world, language trends are too important to ignore. Eight U.S. states are either de facto (Latin reference!) bilingual or trilingual. The 2000 U.S. census ranked Spanish as the second most spoken language, followed by Chinese.