The new iPhone 4S is 1-week old today and sailing well past the 4 million sales mark. The physical design is the same as the previous model, and so is the style of their commercials. Apple has come out with a new ad that highlights Siri, the voice-enabled assistant that makes your life easier. Claiming this iPhone is “the most amazing iPhone yet”. Also, below is something more amazing, the Jonathan Mann song that has a duet with Siri.