Social Media The 5 most-popular stories on PR Daily this week From topics to avoid on Facebook to the effects of social media on our brains, these are the stories that grabbed the most attention on PR Daily this week. By PR Daily StaffJuly 13, 2012 SHARE Ragan Insider Premium Content 12 things you should post on Facebook 27 things to know before you work in social media 6 ways to avoid a personal PR crisis on social media 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.