While Facebook will likely never be ad-free, the social network is at least trying to make advertisements more entertaining -- or more annoying, depending on how you see it. The social network is making more interactive ad formats available to advertisers around the world, including video poll ads for the News Feed on mobile. Ever come across poll stickers in Instagram Stories ads? Facebook's is very similar, giving you options to choose from with a video background. E! used it to promote one of its priority TV shows, so you might have already seen one around.