Julia Angwin is an investigative journalist who specializes in data-driven journalism, and the effect of technology, specifically algorithms, on culture. She is co-founder and editor-in-chief of The Markup.Previously, Angwin was a senior reporter on technology at ProPublica, and technology reporter at the New York bureau of The Wall Street Journal.Angwin's first book, "Stealing MySpace: The Battle to Control the Most Popular Website in America," was published in 2009, and her second book, "Dragnet Nation," was published in 2014.In 2003, Angwin was one of The Wall Street Journal's staff reporters whose stories were acknowledged with a Pulitzer Prize for Explanatory Reporting.