Social Media How to boost Google+ engagement Photos outperform all other types of content on Google’s social network, according to an infographic from CircleCount. By Kevin Allen@kevin_j_allenAug. 26, 2014 SHARE Ragan Insider Premium Content 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.