Media Relations The 5 most popular stories on PR Daily this week This week readers focused on Instagram and SEO strategies, Periscope tips, and crisis communications lessons from movies. By PR Daily StaffNov. 9, 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.