We all learned about Venn diagrams when we were in elementary school. However, I sincerely doubt our teachers, no matter how liberal or even libertine, would have ever used this example.
I found this infographic on Reddit and it comes courtesy of LibationLab.com. This is an alcohol-related blog by M. Quinn Sweeney that seeks to demystify bartending and cocktails.
Probably one of your greatest posts ever. Printing this out for my bar.
On his blog, he is selling napkins and other stuff with this diagram. BTW my brother-in-law was in town this weekend. I now have a bottle of Early Times BIB to add to the collection.