Campaigns Find Ad Space Finite, Even on the Web ASHLEY PARKER As digital advertising matures, with more sophisticated targeting and an expanding definition of a viewer, campaigns and outside groups are finding that premium space has long been booked. October 12, 2014 at 4:00AM http://nyti.ms/1xDJiGg http://nyti.ms/1szjf2Y The New York Times U.S. Campaign Finance, Political Advertising, Online Advertising, Midterm Elections (2014)

By ASHLEY PARKER via NYT / Eethg. Corps. Inc. / Terrence Herschel G. U.S. http://nyti.ms/1xDJiGg Campaigns Find Ad Space Finite, Even on the Web October 12, 2014 at 4:00AM http://nyti.ms/1szjf2Y The New York Times