There was a company 8ish years ago trying to do the same thing; they ended up getting aqui-hired by Facebook: https://www.zdnet.com/article/facebook-acquires-ey

There was a company 8ish years ago trying to do the same thing; they ended up getting aqui-hired by Facebook: https://www.zdnet.com/article/facebook-acquires-eye-tracking-startup-gazehawk/ https://www.zdnet.com/article/facebook-acquires-eye-tracking... Since then I always wondered when webcam-eye-tracking would actually be possible. Looks like today is the day!