Social Media 5 brands making the most of PR-specific Twitter accounts Delta, J&J, Starbucks, UPS, and Walmart have all found creative ways to use Twitter to drum up attention. It could be worth taking a few pages from their playbooks. By Arik HansonJan. 20, 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.