Social Media Social media changes enable users to avoid missteps, reach customers TweetDeck has introduced a feature letting social media managers double-check tweets before sending them. Facebook and Snapchat moved forward with visual mobile ads. By Beki Winchel@bekiwekiMay 18, 2015 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.