Michael Keller and Brian Abelson are the authors of this report. Michael Keller is a multimedia journalist at Al Jazeera America where he reports, designs and codes projects at the intersection of technology and civic life. He is a research Fellow at the Tow Center for Digital Journalism at Columbia University where he studies how news organizations measure the impact of their work with the NewsLynx project. He is also an adjunct professor in their Graduate School of Journalism. His website, at mhkeller.com, collects his visual, written and coded work. Brian Abelson is a data scientist who applies statistics and social science to journalism and the measurement of media impact. He was a 2013 Mozilla-Knight OpenNews Fellow at The New York Times and is an experienced data scientist. Brian Abelson is a researcher at the Tow Center.