These "must-see" Youube ads illustrate another specific and very compelling format for engaging customersinteractive video. Many of these videos are not new, but their interactivity offers many engaging viewer experiences to marketers who can make a compelling connection to their brand.

Here's another example championed by Facebook creator, Mark Zuckerberg, a video offering a 360-degree view of the opening sequence from the popular television series Game of Thrones. Do you think these interactive ads are meant to attract new customers, generate buzz about the brand, or something else?