Update: Xbox One 12GB RAM upgrade debunked by Microsoft

[Azerth]

petalpusher said:

Glad you all like headset. We’re not going to 12gb, just to be clear. Feeling great about game performance – stuff is looking killer.

— Albert Penello (@albertpenello) August 8, 2013

the only thing i can say to that is they also tweeted before about not including the headset so dont know if this would 100% kill the rumor but it does make it seem less likely  then what it was