Sarah FrierSarah Frier reports on social media companies for Bloomberg News out of San Francisco. Her award-winning features and breaking stories have earned her a reputation as an expert on how Facebook, Instagram, Snapchat, and Twitter make busiess decisions that affect their future and our society. Frier is a frequent contributor to Bloomberg Businessweek and Bloomberg Television. She attended the University of North Carolina, where she earned a degree in journalism and edited the school paper before joining Bloomberg in 2011. No Filter: The Inside Story of Instagram is her first book. Read More Read Less