Their most successful product by far, the iPhone, was built by teams where the hardware people had no idea what the software looked like, and the software peopl

Their most successful product by far, the iPhone, was built by teams where the hardware people had no idea what the software looked like, and the software people had no idea what the hardware looked like. That's how secretive Apple has historically been. This is why it's surprising to read that they rely on the same 3rd party communications service many of us use daily.