The Gapminder charts very nicely illustrates multi dimensional data over time: http://www.gapminder.org/tools/#_locale_id=en;&chart-type=bubbles http://www.gap

The Gapminder charts very nicely illustrates multi dimensional data over time: http://www.gapminder.org/tools/#_locale_id=en;&chart-type=bubbles http://www.gapminder.org/tools/#_locale_id=en;&chart-type=bu... I imagine a dataset that charted the word use over time would fit into a chart like this.