“Apple will include more of hand gesture and touchscreen technology in its consumer products, such as the iPhone, iPod and even the Macs. Much of what Surface does in terms of user interface already exist in the iPhone and Leopard will probably have an extended set of hand gesture functionality built in too. It is possible that touch sensitive displays and their support in Leopard are among those top secret features mentioned by Jobs”

http://creativebits.org/apples_answer_to_ms_surface