The Lenovo X1 AIO Privacy Filters utilize the patented 3M microlouver privacy technology to darken the screen at specific angles so as to block the vision of wandering eyes from viewing your screen while you work. For the AIO Privacy Filter, Lenovo offers a product that works for both touch and non-touch AIO systems utilizing thin privacy material. Privacy filters' key benefit for companies that work with client data and information is that they provide the first line of defense against visual hacking protecting private information from being hacked by on lookers. The AIO Privacy filters also reduce glare from bright backlight panels and overhead lights though that's not its primary function. Another function is that privacy filters guards and protects your screen from scratches and smears keeping your monitor screens safe from unwanted destruction. AIO Privacy Filters work with both touch and no-touch devices allowing you to work with the peace of mind that your information on your screen is safe from wandering eyes while allowing you to use your touch screen without any compromise.