CD/DVD icon on Unity panel/launcher

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http://askubuntu.com – Is it possible to have CD/DVD icon on the launcher by default (regardless of whether CD/DVD is in the tray or not)? I have friends who would love to switch to Ubuntu, but Ubuntu does not seem to have drivers for special buttons on the laptop, like the one needed to eject the CD/DVD tray. They own one of those mini laptops which have a CD/DVD tray, but no button on the tray to eject it. (HowTos)