I am primarily mobile only, but I am also a Linux user on desktop. I just don't use the desktop very often because it's less convenient to have to sit down in front of a desktop or laptop versus just pulling out your phone and checking something. It's more a, it's the device I have and it's always on and I don't have to go anywhere to get it. As I said though, I'm high in both mobile and desktop because I run Linux and know how to use the command line and I flash custom ROMs on my phone and use primarily open source software. I also submit bugs to many open source, desktop, and mobile applications.