100 PR people to follow on Twitter Looking for people in the industry to follow on Twitter? Valeria Maltoni, author of the Conversation Agent blog, has 100 recommendations for you. By Ragan StaffJan. 25, 2011 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.