What will the XBOX "copy" from it's competition?

[Turkish]

bananaking21 said:

Turkish said:
1. share ideas, record and broadcast your game online
2. dowloading and playing a game at the same time
3. sleeping mode
4. stream games


great ideas it should have

how does that work? gaikai? 

PS4 downloads a portion of your game, makes it ready for play and download the rest.