I think people are missing the idea.
Its not going to be in the home button or a seperate reader.
The fingerprint reader will be the *screen*.
Swipe to unlock? Nope, just click unlock with your thumb and you phone either unlocks or doesn't.
No more complex keys and passwords.
Need to make a mobile payment? Just tap the pay button. No pin required.
Apple doesn't buy companies for solutions that are all over the industry. They buy companies...