Following the Cambridge Analytica data revelations and Mark Zuckerberg's appearance on Capitol Hill, brand marketers are taking stock of their Facebook campaigns and social media marketing mix. eMarketer's Sean Creamer spoke with Angela Yang, director of connections at advertising agency T3, about marketers possibly altering their social budgets, and the lessons to be learned in the aftermath. Yang was interviewed as part of eMarketer's June report (available to eMarketer PRO subscribers), "Changes to Facebook Advertising After Cambridge Analytica: What's Happening with Usage, Advertising and Data Privacy."