Is There a Way to Keep the Scrolling Up of Your Phone?

i think some day, maybe it will get that good where you can use eye trackersd and see where people are looking on the page. I have no idea how we do it, but this is a twitter question that we're allowed to just your name abouts. Remind me if this has been tried or was different. But like a, imagine that now iris scanner is helping you scroll through your phone as you're reading an article,. So did they try and do that? Or i remember there was a samson that would identify when you were lokingat phone and keep the screen on. And then you could tilt the phone up or down vertically, it would scroll along