Steam Controller: The Ars Technica review

The touchpads can even be set up to control the mouse on the Windows desktop, using one touchpad to move the pointer, the other for a scroll-wheel effect, and the shoulder buttons to click. It’s not the ideal Windows experience, but it can be handy for switching quickly to non-gaming apps without needing to take your hand off the controller. The touchpads seem to take up a lot of space but are easy to ignore if you’re not actively using them. …