Introverts keep their best stuff inside—that is, until it is ready. And this drives extroverts crazy! The explanation for the introvert’s behavior—and there must be an explanation for this behavior, say the extroverts—is that he or she is antisocial, out of touch, or simply a snob.

Introverts paradoxically pull away from culture and create culture.

Some findings reveal extroverts as more adept at reading nonverbal cues, and attribute this to the extrovert's greater interest and experience with social interactions. Another line of research using subliminal images of facial emotion found introverts to be more sensitive to the differences, and hypothesized that this may be why introverts regulate the amount of incoming social information.

Introvert conversations are like jazz. Each player gets to solo for a nice stretch before the other player comes in and does his solo.

America is a noisy culture, unlike, say, Finland, which values silence. Individualism, dominant in the U.S. and Germany, promotes the direct, fast-paced style of communication associated with extraversion. Collectivistic societies, such as those in East Asia, value privacy and restraint, qualities more characteristic of introverts.

Introverts process information internally, and we don't like to express our thoughts until they are fully formed.

Introverts are more effective leaders of proactive employees. When you have a creative, energetic work force, an introvert is going to draw out that energy better.