the helpok at that and kit, the use in the car, i am controlling all of my house with siri using my iphonewhen i think about all of these things, the usage of it, now, you do not leave your home without your iphone. i think it is in the early stages, still. emily: controlling your home with your device is still a fairly niche behavior. when you see it becoming mainstream? tim: i think this year, honestly. 10, aftert into ios that you solve more accessories coming to the market that are home kit enabled. we made it easier for vendors to be compatible with home kit, because you now can use software encryption. you do not have to have hardware encryption to go. i think that unleashes more accessory guys to join. i think people will increasingly want to automate different parts of their home. i wouldn't live without it at this point. emily: in the past you said, the ipad is the clearest expression of our vision of computing. sales are high, ipad are following. tim: some people only by mac, and some people only by ipad. many of us want to both. he tried to bring more productivity features to ip