A lot of people joke about the Azure Cloud that Microsoft touted since the infamous One reveal - somewhat understandably so given their poor messaging prior to E3. But at it's core, it's a server farm, and that server farm is going to come in quite handy come March 11th when Titanfall drops.
After the Sim City and Battlefield 4 debacle, imagine if the Titanfall servers were going to be handled by EA... confidence at launch would be rock bottom given the game's online-only focus. However, Titanfall guaranteed to have, responsive servers maintained by the company that wrote the networking code. It's a huge boon, and one of the reasons I think people who joke about 'the cloud' and 'secret sauce' don't really understand what they are even arguing against half the time.
I understood the teasing when they said it would improve graphics without any direct evidence, but the cloud-based AI system in Forza 5 has been one of the most innovative features on the One to date, and it wouldn't have been possible without Microsoft's server infrastructure.