This document discusses the history and growth of online video marketing from 2004 to 2012. It then summarizes key sociocultural factors like mobile usage and visual stimuli that drive engagement with video ads. The document analyzes case studies of successful video marketing campaigns by Old Spice and Oreo on YouTube, Vine and Instagram. It provides recommendations for how brands can build on video marketing successes like partnering with other companies, encouraging user-generated videos, and creating emotional content. The document concludes that video marketing will continue growing across industries due to smartphone usage and short videos' ability to engage consumers.