Adding some competition into the social media mix, Instagram recently announced the addition of videos to their popular photo-sharing app. As a direct competitor to Twitter's year-old Vine application, Instagram's 130 million users will now have the ability to post 15 second long videos to their profile (filters and all). A study done by social media analysts at Simply Measured, suggested that videos posted by brands on Instagram have twice the level of engagement to photos. With an increasing number of brands integrating Instagram into their content marketing strategy, how will brands start to utilize Instagram's new video application? Here are some ways brands have already taken advantage of video on Instagram.