While the mobile revolution is shrinking everything in sight, expect marketers to throw increasing support behind larger display screens. That’s because new data draws a direct link between video player size and ad performance, including engagement and completion rates. Proprietary data from Tremor Video shows that when viewers watch a video within a larger-sized online player, they are far more likely to interact with the ad. Engagement rates nearly double when ads are served within a 400-pixel player. They continue to climb for video ads served in even larger players. Viewer habits also began to resemble traditional TV watching behavior as player size expanded, Tremor found. Viewers were relaxed and are more likely to sit…