Marketing ‘Yo’ explodes online through technology lovers, storytelling Blonde 2.0 launched a PR campaign for the messaging app, aimed at creating a viral sensation. The effort won top honors in Ragan’s Digital and Social Media Awards. By PR Daily StaffOct. 22, 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.