: ...well your theory certainly has piqued my intrigue. Her appearance is
: definitely much more physical in effect; I'm not sure about robot body,
: but the 'suit' certainly gives the impression of physicality - casting
: shadows, being lit from the front. Even the data bit represetations that
: used to flow over her body now seem much more like physically contained
: wires or channels on the surface of the suit. She's even adopted the
: forerunner glyph for the Mantle of Responsibility (though horizontally
: flipped) as a large raised button on her chest.
: Anyhow, I do believe there was mention near the beginning of finding a way to
: becoming physical, so it would not surprise me that after the Domain she
: had to do so, in some manner to create a body within which she can travel.
: Seems to be the next expected step.

Yeah having a body while being a super-powerful AI seems like the best of both worlds, and also speaks to the sort of "real boy" push-and-pull that many or even most AIs (Black Box being the best exception) have.

Honestly the "suit" aspect feels off to me in the cutscene, but I think that's because the face of Cortana isn't integrated in, and making herself a physical body makes more sense to me than "physical body plus here's where my head hologram goes".