This morning Microsoft announced important changes coming to Xbox Live Gold. In June, they are rolling out a better form of Xbox Live Gold for both Xbox 360 and mainly Xbox one. They are making Games with Gold available for Xbox One along with staying on Xbox 360.
They are also introducing Deals with Gold, which is a service that gives exclusive discounts on games and other content on the Xbox Store.
Also announced was the addition of Applications such as Netflix, YouTube, Machinima and many others without the need for an Xbox Live Gold membership for all Xbox 360 and Xbox One owners.