Marketing The 5 most popular stories on PR Daily this week This week readers gleaned insights on content marketing through social media, spokesman training and PR truths for industry newcomers. By PR Daily StaffJuly 20, 2015 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.