Pre-rolls, Mobile Video Ads to Drive Online Video Spend 40 Percent Daisy Whitney's New Media Minute: After a robust 2011, online video advertising should enjoy another year of rapid growth and is on pace to increase 40 percent over last year. Some marketers will move money from TV budgets to online video, and they'll be focusing on pre-roll ads and mobile video. For more details, check out this week's New Media Minute.