One of the major challenges facing every digital publisher is making sure its content will display properly up on every possible venue: desktop, tablet, and phone of course, but also in web services, and on the emerging display opportunities arriving with the Internet of Things, like wearables.
Acquia partner Mediacurrent recently tackled this challenge on an awesome scale: migrating the giant The Weather Channel site to Drupal in a way that worked with all the above venues, and then some. (Have you thought about how your content will look on gas station pumps? Mediacurrent and The Weather Channel have.)