Social Media Instagram debuts direct messaging: What brand managers should know The photo-sharing service’s new feature—Instagram Direct—enables users to send private messages. Here’s what you need to know. By Arik HansonDec. 16, 2013 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.