Introverts may feel powerless in a world where extroverts seem to rule, but there?s more than one way to have some sway. Jennifer Kahnweiler proves introverts can be highly effective influencers when, instead of trying to act like extroverts, they use their natural strengths to make a difference. Kahnweiler identifies six unique strengths of introverts and includes a Quiet Influence Quotient (QIQ) quiz to measure how well you?re using these six strengths...