Contrary to the traditional notion that teenagers want to have whatever item is considered the latest trend of the moment, a study conducted by Rochester, NY-based Harris Interactive for Hearst revealed that more than two-thirds of teenage girls are loyal to their favorite brands. Sixty-seven percent of the teens surveyed, ages 13-19, said they are loyal to brands they like, and 66% said they are likely to stand by their favorites even after trying new brands. The study revealed that girls sta...