I wasn't surprised when Susan Cain's book, Quiet, mentioned that introverted people often thrive in the online world and are actually more likely to share personal information there than extroverts. I, for example, though unquestionably an introvert, enjoy reviewing books for BookBrowse, have profiles on several social networking sites, and have written a blog; these are all comfortable outlets for me to explore and express my interests.

Many introverts communicate via the Internet for this reason, relishing the chance to pursue their passions and find like-minded people in a way that is friendly to their temperament. Likewise, online communication has also made information and discussion about introverts and introversion more accessible to the world at large. The following examples are just a few of the many online resources created for and about introverts:

• Susan Cain's website, www.thepowerofintroverts.com, and an article she wrote for The New York Times entitled, "...