- Google Android: GNU/Linux
- Palm Pre OS: GNU/Linux
- Nokia Maemo: GNU/Linux
- Amazon Kindle: GNU/Linux
- Sony Reader: GNU/Linux
- Crunch Pad (vapour ware): GNU/Linux
- Apple iPhone: FreeBSD <- :P
Anybody who started tinkering with GNU/Linux just for fun in their teens should initiate smug mode immediately, unless like myself your smug mode is stuck in the on position.