This page allows you to explore one of the biggest data sets that is publicly available - Google's index of the content of over 25 million books written from 1800-2008.
Exploring this database is like information archeology - you can get a feel for what people were concerned about (writing about) long before their internet searches and social media posts were tracked.
Some sample charts are below, or click
here to create your own!
(In the sample charts below, mouse over the labels and lines for more details.)
Select a chart:
(Choose a chart) Animals Building materials Cars Countries Donald Trump vs Hillary Clinton Emotions Energy sources Family role Gaming platforms Genders Government levels Historical figures Illnesses Insults Logical vs Emotional Love vs Money Mac vs PC Modes of transportation Musical instruments Political ideologies Religions Social issues Sports Superheroes Tech companies Technologies Types of music Weapons Worker vs Manager Customize a copy of this chart