I happened to flip through the channels and caught a glimpse of her using the Surface Pro with a pen in hand, in a preview commercial. I posted the video on YouTube.com last week with doubts from the community that it was actually a Surface, let alone a Surface Pro that wasn’t even available to the public.
Today I watched a recording of the show and can confirm that she is in-fact using the Surface Pro. She did not mention it specifically, but during the show, she did use it to answer an online quiz, which did have the “Surface” logo on it. Also, there were plenty of Surface (RT) commercial in between the show.