And nothing of value was lost. The lag of letting the Xbox One process an incoming image is too long to plug in another console (making games unplayable). The other use cases of a streaming box or ...
Not only will the Xbox One work with cable boxes and the Xbox 360 over HDMI, but any HDMI-compliant device should work just fine out of the box -- including the PS4. Over at the Penny Arcade Report, ...
I bet the slot is for an M.2 NVMe adapter/holder that just slots in. Hopefully it can hold more then one. Click to expand... Let's hope it's a user replaceable adapter and not an Xbox 360 scenario ...