First and foremost, Vimeo is known as a portfolio site for professional and aspiring filmmakers. YouTube, meanwhile, is seen as the place to monetize online videos, given its huge viewership and support of pre-roll advertising. Vimeo has spent years trying to change its image, however, and prove it can also be a place for video makers to earn money. Part of that push has been Vimeo On Demand, an iTunes equivalent for creative and usually independent works. Starting today, it's available on Roku hardware, giving Vimeo and its users a larger potential audience.