some stats on symbian

Symbian is the world's biggest producer of software for so-called smartphones, a new category of versatile phones that can have built-in music players and video recorders, and which run computer-like applications such as enterprise customer relationship software, car navigation programs and e-mail.
Today its software is the engine of some 20 million phones, available through 200 mobile operators around the world.

Market research group IDC forecasts 130 million smartphones will be sold in 2008 alone. Symbian receives between $5 and $7.25 for every phone that contains its software, depending on sales volumes.