Polygon: New Xbox Live terms ask users to commit to security, agree to share data with partners

[Mistershine]

Closed box EULAs aren't valid in the EU i believe, i think it was apple that lost a case about it.

If I read this right it will cross reference your details to make sure you have permission to use the app. Does that mean I won't be able to use my sister's sky go account on my xbox anymore?