I've just discovered and received today an amazing piece of hardware that a
lot of you might find useful. It's called the Tobii Eye Tracker 4C
<https://tobiigaming.com/product/tobii-eye-tracker-4c/>, which can be used
with the Tobii Pro Sprint <https://www.tobiipro.com/sprint/> hosted service.
I've recorded a video demo of it here:
This could allow us to do lab user testing where we record gaze cheaply and