put scenario.</p>
			<p>You don't need a thousand-dollar eye tracker device to play around with this, just a webcam and some free
				software.</p>
			<p>
				I recommend <a target="_blank" href="https://eviacam.crea-si.com/">Enable Viacam</a>, which is
				<em>not</em> an eye gaze tracker,
				but rather a general video movement tracker that you can set up to track your head movement (or your
				torso or hand or anything else).
			</p>
			<p>
				Eye tracking via a webcam has a ways to go, but it's also p