iPhone 3GS Hero

As part of the just-completed Q3 2009 conference call, Apple chief operating officer Tim Cook revealed that the iPhone OS, the software behind both the iPhone and iPod touch, now enjoys an install base of over 45 million.

Combined with previous announcements of 65,000 apps, 100,000 registered developers, and 1.5 billion downloads, and it looks like Apple has quite the mobile platform on their hands. Scratch that, they have quite the platform in consumer hands.