There is an Xbox app coming to Windows 10. The app will will show the friends list and allow communication through text and voice to Xbox One users. It will also allow access to achievements and Game DVR clips.
Xbox One games will be streamable to Windows 10 devices.
Some Windows 10 universal apps are coming to Xbox One.
Elder Scrolls Online is ditching monthly subscription fees, initial purchase still required. Coming to Xbox One and PS4 on June 9th.
You can buy your way into the Heroes of the Storm closed beta by purchasing a "founders pack."
Plex released on the PS4 yesterday.