Want to build a relationship -- sell yourself for a job -- get ahead -- make a sale?Your 'small talk' is crucial.Everyday conversation can make or break you in personal relationships and in the business world. Sadly, most people don't realize how important small talk is, nor do they try to do better.That's a shame, because anyone can easily develop great small talk skills.Just how important is small talk?A Stanford University School of Business study showed its impact on business success. It tra.