There are interesting data visualizations that appear on the Internet. For example, The Chronicle of Higher Education recently had a special study on women as academic authors. They looked at the authorship of over 2 million articles over 1765 fields and subfields. They focused on the percentage of papers that had a female author.
They have an interesting visualization of this massive dataset.
Have a look at this graph. From a statistical viewpoint, is this an effective presentation of this data?