To help you get the most out of your mac!
The same Keynote address that introduced the iPhone 4 also introduced some other new concepts that were to be introduced by Apple, one of them being an advertising platform dubbed “iAds.” However, the iPhone 4 quickly took most of the attention away from all of the other, more minor technologies that were introduced.
The outside of the box said "Windows base machine or better", so I bought a Mac.