Test-driving new features in iPhone 4S

When Apple introduced the new iPhone 4S last week, a lot of techies were disappointed, but customers are all over it. Apple got a million pre-orders the first day alone.

Apple introduces iPhone 4S
Apple says pre-orders of iPhone 4S break record

So what are consumers so excited about?

"Early Show" technology expert Katie Linendoll said, though the new model looks exactly the same as previous iPhones, the latest version has a faster processor, an eight-megapixel camera, an unlimited data plan with Sprint, as well as an advanced voice-recognition feature called Siri. 

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For more on the iPhone 4S and its features -- and to see a demonstration of the Siri voice recognition feature -- check out the video above.