Thomas Peters, founder and CEO of uCampaign, discusses how mobile apps can be powerful tools to drive engagement for political campaigns and advocacy groups. uCampaign has developed apps for Ted Cruz, Donald Trump, and the Brexit Leave campaign, and Thomas shares his insights into why smartphones are key channels for contemporary civic engagement. We discuss how the app integrates with Facebook, Twitter, and Google, what types of data are collected, and how gamification is used to encourage activism.