I guess one of the ways that Occupy Wall Street needs to become more economically literate is by knowing about the Gini Index, which measures inequality. The Gini Index is 0 if everyone has the same income, and 1 if Bill Gates or whoever earned everything. You can see on the map at the bottom how the world is on this measure.
Here is the US in 2007:
This is how it has grown over time in the US:
And notice some of the countries that share the level of income inequality with the USA: Argentina, Iran, Venezuela, China, Mexico, Russia, Nigeria…..
So another Occupy Wall Street Slogan might be: Gini Index of .38! (aka when Truman was in the White House)