She's visibly excited about the prototypes she's creating at Valve's new prototyping facility, but manages to contain herself enough to not let slip exactly what her and her team are working on.
Mike Ambinder is the company's very own experimental psychologist and he's been outlining some of Valve's work with biofeedback technology, including eye-motion controls for Portal 2 and perspiration-based gaming adjustments on Left 4 Dead.
Steam's Big Picture Mode -- a TV- and controller-friendly version of Valve's widely used digital gaming service -- is the first volley in Valve's big living room push.
