AdvertisementFacebook's Sheryl Sandberg On Data Privacy Fail: 'We Were Way Too Idealistic'Play07:14Download AudioApril 05, 2018Vanessa RomofacebookEmailFacebook's chief operating officer, Sheryl Sandberg interviewed at the company's offices in Menlo Park, Calif., on Thursday told NPR: "We did not think enough about the abuse cases." (Deanne Fitzmaurice for NPR)