This report follows assessments Forrester made in 2009, 2011, and 2013 on the state of the online video advertising market in the US and Canada. This advertising space has grown dramatically in the past six years due to an increase in consumer viewing and the share of the overall marketing budget. This study focuses on high-traffic digital publishers, video ad availability, consumption of video ads on desktop and mobile devices, video ad clutter, and ad-to-content ratios. This report uncovers the major trends in the digital video market and highlights key tactics that B2C and B2B marketers should embrace when crafting their video ad planning.