Christine B. Williams is Professor of Political Science at Bentley University, USA, and holds a MA and PhD from Indiana University, USA. She is North American Managing Editor at the Journal of Political Marketing and serves on editorial boards for several other journals. Her publications focus on political communication, specifically new and emerging technologies and e-government. Bruce I. Newman is Professor of Marketing as well as the Wicklander Fellow in Business Ethics at DePaul University, USA. He is one of the world's leading experts in political marketing and combines an expertise in marketing and politics with his knowledge of consumer psychology and statistical applications. He is the founding editor-in-chief of the Journal of Political Marketing. He has published more than 15 books and numerous articles on the subjects of political marketing and consumer psychology.

• Introduction: Social Media, Political Marketing and the 2016 U.S. Election Christine B. Williams 1. Empowering the Party-Crasher: Donald J. Trump, the First 2016 GOP Presidential Debate, and the Twitter Marketplace for Political Campaigns Michael Cornfield 2. Understanding the Social Media Strategies of U.S. Primary Candidates Joseph (Jun Hyun) Ryoo and Neil Bendle 3. Communicating Party Labels and Names on Twitter During the 2016 Presidential Invisible Primary and Primary Campaigns Kate Kenski, Christine R. Filer, and Bethany A. Conway-Silva 4. The Image is the Message: Instagram Marketing and the 2016 Presidential Primary Season Caroline Lego Muñoz and Terri L. Towner 5. Appeals to the Hispanic Demographic: Targeting through Facebook Autoplay Videos by the Clinton Campaign during the 2015/2016 Presidential Primaries Edward Elder and Justin B. Phillips 6. Populism and Connectivism: An Analysis of the Sanders and Trump Nomination Campaigns Michael J. Jensen and Henrik P. Bang 7. Intraparty Hostility: Social Identity, Subidentity, and the Hostile Media Effect in a Contested Primary Aaron S. Veenstra, Benjamin A. Lyons, and İ. Alev Degim Flannagan 8. Role of Social Media in the 2016 Iowa Caucuses Daniela V. Dimitrova and Dianne Bystrom

Christine B. Williams is Professor of Political Science at Bentley University, USA, and holds a MA and PhD from Indiana University, USA. She is North American Managing Editor at the Journal of Political Marketing and serves on editorial boards for several other journals. Her publications focus on political communication, specifically new and emerging technologies and e-government. Bruce I. Newman is Professor of Marketing as well as the Wicklander Fellow in Business Ethics at DePaul University, USA. He is one of the world's leading experts in political marketing and combines an expertise in marketing and politics with his knowledge of consumer psychology and statistical applications. He is the founding editor-in-chief of the Journal of Political Marketing. He has published more than 15 books and numerous articles on the subjects of political marketing and consumer psychology.

• Introduction: Social Media, Political Marketing and the 2016 U.S. Election Christine B. Williams 1. Empowering the Party-Crasher: Donald J. Trump, the First 2016 GOP Presidential Debate, and the Twitter Marketplace for Political Campaigns Michael Cornfield 2. Understanding the Social Media Strategies of U.S. Primary Candidates Joseph (Jun Hyun) Ryoo and Neil Bendle 3. Communicating Party Labels and Names on Twitter During the 2016 Presidential Invisible Primary and Primary Campaigns Kate Kenski, Christine R. Filer, and Bethany A. Conway-Silva 4. The Image is the Message: Instagram Marketing and the 2016 Presidential Primary Season Caroline Lego Muñoz and Terri L. Towner 5. Appeals to the Hispanic Demographic: Targeting through Facebook Autoplay Videos by the Clinton Campaign during the 2015/2016 Presidential Primaries Edward Elder and Justin B. Phillips 6. Populism and Connectivism: An Analysis of the Sanders and Trump Nomination Campaigns Michael J. Jensen and Henrik P. Bang 7. Intraparty Hostility: Social Identity, Subidentity, and the Hostile Media Effect in a Contested Primary Aaron S. Veenstra, Benjamin A. Lyons, and İ. Alev Degim Flannagan 8. Role of Social Media in the 2016 Iowa Caucuses Daniela V. Dimitrova and Dianne Bystrom

Christine B. Williams is Professor of Political Science at Bentley University, USA, and holds a MA and PhD from Indiana University, USA. She is North American Managing Editor at the Journal of Political Marketing and serves on editorial boards for several other journals. Her publications focus on political communication, specifically new and emerging technologies and e-government. Bruce I. Newman is Professor of Marketing as well as the Wicklander Fellow in Business Ethics at DePaul University, USA. He is one of the world's leading experts in political marketing and combines an expertise in marketing and politics with his knowledge of consumer psychology and statistical applications. He is the founding editor-in-chief of the Journal of Political Marketing. He has published more than 15 books and numerous articles on the subjects of political marketing and consumer psychology.

• Introduction: Social Media, Political Marketing and the 2016 U.S. Election Christine B. Williams 1. Empowering the Party-Crasher: Donald J. Trump, the First 2016 GOP Presidential Debate, and the Twitter Marketplace for Political Campaigns Michael Cornfield 2. Understanding the Social Media Strategies of U.S. Primary Candidates Joseph (Jun Hyun) Ryoo and Neil Bendle 3. Communicating Party Labels and Names on Twitter During the 2016 Presidential Invisible Primary and Primary Campaigns Kate Kenski, Christine R. Filer, and Bethany A. Conway-Silva 4. The Image is the Message: Instagram Marketing and the 2016 Presidential Primary Season Caroline Lego Muñoz and Terri L. Towner 5. Appeals to the Hispanic Demographic: Targeting through Facebook Autoplay Videos by the Clinton Campaign during the 2015/2016 Presidential Primaries Edward Elder and Justin B. Phillips 6. Populism and Connectivism: An Analysis of the Sanders and Trump Nomination Campaigns Michael J. Jensen and Henrik P. Bang 7. Intraparty Hostility: Social Identity, Subidentity, and the Hostile Media Effect in a Contested Primary Aaron S. Veenstra, Benjamin A. Lyons, and İ. Alev Degim Flannagan 8. Role of Social Media in the 2016 Iowa Caucuses Daniela V. Dimitrova and Dianne Bystrom