This is Part 1 of a four-part series of articles that chronicles how brand strategists and media planners can achieve 3x-plus return on their media buys through well-managed online video advertising campaigns.

A few months ago, we released a "Tipping Point Alert" about ad industry movers and shakers that are shifting significant dollars from TV and other media budgets to online video ads. Now let's explore how you can turn every one of those shifting dollars into three or more in ROI.

A few weeks back, we posted the first part of this article, “Why Your Mobile Strategy Should Include YouTube Ads,” where we made the case that, because YouTube mobile apps are at the top of a couple key categories (apps installed and most used), incorporating YouTube mobile video advertising into your mobile media plans is a no-brainer.

Now, here are four more compelling reasons why you should absolutely include YouTube advertising in your mix if mobile is a focus for your brand—or your clients’ brands. (They’re all contained in a free, shareable info graphic, too.)

When brands and agencies talk about their mobile ad strategies, most of the time they mean display and search. Let’s face it, mobile publishers’ ad inventories haven’t exactly been rife with video units.

But there is one video ad option that stands out as a prime choice for mobile marketers—YouTube.

Top Agency Group Says Move TV Dollars to Video Ads

Video advertising has been buzzing around the brand agency world for a few years now, pestering account supervisors and media buyers who, in large part, have brushed it off since video ad technology and metrics didn’t quite fit into the way things had been done for decades in the single-screen TV advertising ecosystem.