Social Media Infographic: HootSuite reaches 3 million users in 3 years HootSuite racked up millions of users quickly. Why should you give a hoot? Read on to find out. By Kristin Long@KristinMLongJan. 18, 2012 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.