On all new and old versions of all major operative systems out there you'll be able to plug in any standard USB keyboard, and it'll start working automatically.

On all new and old versions of all major operative systems out there you'll be able to plug in any standard USB keyboard, and it'll start working automatically. That's exactly what's happening there, but the "keyboard" is pre-programmed to enter keys presses automatically in a way that makes a website pop up.