Social Media The 5 most-popular stories on PR Daily this week The best day of the week for Twitter and Facebook, the five Facebook posts to delete, 10 Nora Ephron quotes to inspire anyone, and more. By PR Daily StaffJune 29, 2012 SHARE Ragan Insider Premium Content The best day of the week for brands to tweet and update Facebook The 5 Facebook posts you should delete 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.