Xbox One will allow users up to 1000 friends
The new architecture driving the Xbox One gives users the ability to add up to 1000 of their closest and dearest comrades to the newly expanded friends list. Now there will be even more opportunities to wonder who the random people on your friends list are.
Mark Whitten, Xbox’s Chief Products Officer, explained to Polygon how Xbox One’s goal is to achieve greater social interconnection among numerous platforms and sources, and that the console will “pull friends from across other social experiences.” There has not been any indication how the Xbox 360’s cap of 100 friends will mingle with Xbox One’s.
Source: Xbox Support via Polygon