Infographic: A Quick and Comprehensive Guide to Typography

Noodlor offers this free and helpful graphic guide to understanding type.

This section on choosing a typeface based on the message you want to convey is particularly helpful:

   Sure, there’s a little bit of the tiresome Comic Sans hating, but all in all, an attractive and helpful thing to keep around, perhaps even print and hang in your office!

A Quick and Comprehensive Type Guide

via NotCot