This graph illustrates the world's richest people using an age-adjusted metric. Mark Zuckerberg 
is highest ranked followed by Carlos Slim and Bill Gates
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);