Original link at [0], with a very nice illustration why it is helpful to distinguish between percentages and percentage points. https://www.facebook.com/notes/

Original link at [0], with a very nice illustration why it is helpful to distinguish between percentages and percentage points. https://www.facebook.com/notes/facebook-data-science/showing-support-for-marriage-equality-on-facebook/10151430548593859 https://www.facebook.com/notes/facebook-data-science/showing...