Apple announced on Tuesday at the Let's talk iPhone media event that iPhone 4S comes out Oct. 14 with pre-orders starting Oct. 7.

Although there is no new iPhone 5 yet, there's still plenty of new tech and impressive upgrades to keep Apple on top of the smartphone world for another year. Siri, the intelligent assistant is the headlining feature of iPhone 4S, and all you have to do to send messages and find basic information is ask.

Siri can hear what you are speaking and queue up your text message or make your phone calls for you. That feature alone will keep Apple on top.

Here's 10 reasons why Apple will continue to remain the world's leader in smartphones with iPhone 4S. Start the slideshow to begin.