Sarah Frier

Sarah Frier is a technology reporter for Bloomberg, based out of San Francisco. She writes regularly about Facebook, Instagram and Snapchat, for Bloomberg and Businessweek. She talks about my stories on Bloomberg TV, too. She is also the author of "No Filter: The Inside Story of Instagram," the first book to explain the product's growth and cultural impact, based on interviews with current and former employees and executives, as well as celebrities and influencers.