Despite English grammar rules, in the e-world the plural of mouse is mouses. lol. Standard American English is constantly evolving. Introduce your class members to a variety of terms that describe different usage changes (economy, analogy, language contact, medium of communication, cultural environment). Readers then identify the kind of change that produced a particular word. For example, “LOL” (laugh out loud) was invented in the medium of electronic communication. The attached quizzes could be used to assess understanding or to launch discussions of language change.