Several years ago, Google Books archived all printed material. Google is also quite good at analyzing data. Here's a math equation Google Books + Big Data = Ngram Viewer

Are there any linguists in the room? This tool allows you to visualize how frequently words are used in printed texts. For example, how did the events of the 1940s impact the use of patriotic terms like "freedom," "patriot," or "Allied"?

1. Let's observe some notable Arkansans

2. Why do you think that Sam Walton ranked the highest in 1993?

3. Why did Johnny Cash peak in 2006?

1. Select an event (sports event, election, war, etc.)

2. Think of notable figures or language related to that topic. How do they compare over time?

3. How could your students use this tool?