​Just as dogs are hairy reflections of their owners, a new theory suggests that the beer you drink (or don't drink) may be a window into your personality.Advertising Age reports that Mindset Media, a market research firm that specializes in psychographics (the study of people's attitudes and behavior in relation to their purchasing decisions) interviewed more than 2,600 people in August and September in an attempt to learn what someone's choice of beer might say about them:For instance, people