According to Tom Warren they shop Halo 5 on Hololens at the Xbox booth
Daniel Rubino also tweeting about it, thx singhr1
Daniel Rubino also tweeting about it, thx singhr1
Also:
"But yeah, HoloLens is here and I'm online for Halo 5. Larry just told me my head is about to be blown."
https://twitter.com/Daniel_Rubino/status/610866318875697154