Paul Stewart writing for The Tech Interview comments:

There are many different personality traits found in individuals in our industry. One trait that I’ve found dominant in technical roles is that of introversion. This trait is one that often manifests itself by creating challenges with verbal communications. Depending on an individual’s role, or desired role, this can prevent a technology rockstar from reaching their full potential. Honing ones ability for concise and effective communication at work is an important step in reclaiming that potential.

Read more at: The Importance of Effective Communication at Work