Social Media 5 lessons in virality from ‘Saturday Night Live’ PR and marketing pros can pick up a few campaign tips from the sketch show, which celebrated its 40th anniversary Sunday night. By Beki Winchel@bekiwekiFeb. 17, 2015 SHARE 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.