Help: Verge Video on Xbox 360

I saw Ross Miller post on Instagram that he was watching Verge Videos from the IE app on the Xbox 360. I loved this idea so I tried it myself but the videos are not playing on my device. I have the Slim Xbox 360. Does anyone have any idea why this wouldn't play or any settings I need to change to allow the videos to work? Thanks Guys, and Thanks to the Verge Video team for amazing content!