That follow-up video is here: https://www.youtube.com/watch?v=b7ANcWQEUI8 https://www.youtube.com/watch?v=b7ANcWQEUI8 Pretty interesting (and painful) watching

That follow-up video is here: https://www.youtube.com/watch?v=b7ANcWQEUI8 https://www.youtube.com/watch?v=b7ANcWQEUI8 Pretty interesting (and painful) watching the effects of sandpaper on screens.