Source: A simple explanation of how to interact with introverts - 22 Words
Stashed in: Psychology!, Introverts!, #TED, people, Infographics!, RTFM!, Comics!
a comic version
I love the analogy to a human sized hamster ball. Well said.
See also: http://pandawhale.com/convo/4110/are-top-experts-more-likely-to-be-introverts-barking-up-the-wrong-tree
I highly recommend Susan Cain's TED talk, "The Power of Introverts" ...