Gapminder World is a web service that displays time series of development statistics for all countries (Google acquired Trendalyzer from the Gapminder Foundation in 2006). Gapminder World is a powerful (free) tool. Increasingly, we're running out of excuses to be dull. Remember: Do not simply display data—present the data so that its story is revealed to all.
Gapminder World is loaded with over 200 indicators displaying trends in some cases back as far as the year 1800. Gapminder World is an amazing tool that is especially useful for educators or anyone else who is interested in "unveiling the beauty of statistics for a fact based world view."