These days it’s a pretty huge fail if your business is not leveraging the power of social media to drive awareness, brand loyalty and ultimately sales. However it can also be a pretty huge fail the way many business are using social media – even still (after all these years of test and learn). So what is the secret sauce to social success? Well, these four companies have some good learnings to share. Check out some of these case studies and think about how you can improve your social media strategy for business.