According to a Pew Research Center report in 2013, eight out of 10 American Internet users regularly watch or download videos. The rapid expansion of video on the Web over the past five years has largely been powered by the adoption of smartphones, which make creating and uploading videos faster and easier than ever. This research indicates that in 2015 and beyond, video will continue to be an essential medium for content on the Web. As marketers, we often hear that video is the way to engage customers when developing creative for our companies or clients, but how do we know whether the investment is justified? How do we know that using video is any more effective for delivering a message to our audience than simple copy and static imagery? In this 35-minute Web clinic, our research team shares strategies for leveraging video to increase the performance of online marketing collateral, including one test that helped boost mobile conversion by over 50%.