Sarah Frier

Frier covers social media for Bloomberg and got Kevin Systrom, Mike Krieger and a long list of early employees to talk for No Filter, which reconstructs Instagram from the app's origins to the point where Facebook's ownership stopped being comfortable for its founders. It was named business book of the year by the Financial Times in 2020. Her reporting on how the company handled the app's effect on teenage users landed before the internal research leaked and turned it into a political question.