Social Media Infographic: The good, bad, and mediocre of social media marketing Need a refresher on the top social media sites and what they’re good for? Here you go. By Michael SebastianApril 15, 2011 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.