>What technology are you talking about?

The way the pen and screen work together, and the screen sandwich layering that significantly reduces parallax between the pencil tip and image.

Regarding processor tech I was mainly thinking of the move to 64bit and secure enclave which completely out-manoeuvred the competition.

I'm not saying Apple is the only company innovating, Android Wear is a credible and innovative alternative that's holding its own in the market.