On election night and in the days since then, we have seen many maps that look
like this

Here are the 2004 presidential election results on a population cartogram of
this type:

Here is a map of US counties, again colored red and blue to indicate Republican
and Democratic majorities respectively:

Here is what the cartogram looks like for the county-level election returns:

Red, blue, and shades of purple to indicate percentages of voters.

And here's what the cartogram looks like:

A slight variation on the same idea is to use a nonlinear color scale like
this:

- MiddleFingerGuy