This graph compares the US real average after income from 1979- 2007. It shows a great contrast 
between the top 1 percent and the 21st-80th, 81st_99th, and lowest quintile.
Error using .*
Matrix dimensions must agree.

Error in plotSpotlight (line 30)
    output = repmat(a,[1 1 3]).*single(im)/255;

Error in plot_individual_user_maps (line 49)
        [heat] = plotSpotlight(im,heatmap,3);