Could someone tell me what type of map this is (cartogram, choropleth, flow-line, dot density etc etc) and does it portray qualitative or quantitative data (or both)? I know it's qualitative and quantitavie because it uses numbers/ranks and color but I don't know the type of map it is.
http://fanpageflow.com/wp-content/uploads/2011/06/Global-Facebook-Statistics.jpg