Social Media The 5 most popular stories on PR Daily this week Whereas it doesn’t prove too difficult to determine the best times to post something on social media, deciding when to actually call a reporter presents more of a challenge. Those stories, and more. By PR Daily StaffApril 14, 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.