The way in which apples integration has taken place has kind of evolved over time depending on the circumstances. Intellis just a fantastic example of it depends. And how they didn't evolve the nature of their integration. It looks like itsts got them into serious trouble, but the of apples integration has evolved. I think one of the mistakes that o folks make, and it kind of relates to what we were just talking about, is people over index on their favourite example. People do the exact same thing with organizational design and apple, and just assume integrated as always best. The right answer is, it depends.