Content Marketing Infographic: Influencer (r)evolution Using luminaries and kitschy characters to increase sales and brand cachet was around long before Instagram, but social media is taking this tactic to new heights. By Robby Brumberg@robbybrumbergAug. 10, 2017 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.