Social Media A marketer’s guide to the social media landscape: UPDATED Bookmark this popular and highly informative primer from CMO.com that will help your brand determine the communities it should join online. By Kevin Allen@kevin_j_allenMay 4, 2012 SHARE Interested in customer communication and brand exposure? Google+ may be the right tool. Looking mainly to drive traffic to your site? Twitter and Facebook are better choices. 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.