President Joe Biden used his farewell speech Wednesday to call out what he referred to as a nascent oligarchy in the United States. Perhaps unsurprisingly, Google Analytics appears to show that a lot of Americans had no idea what he was talking about.

Wealth disparity in the U.S. has grown since 2009, according to Fed data, with a significant increase in the share of the nation’s wealth held by the 238,000 richest people.