iHave no idea about the iWatch. But iKnow intriguing innovation inspiration when iSee it. The rumored iWatch, much like Apple’s rumored TV, has been a source of frenzied speculation. How might the company that reinvented mobile music, cellular telephony, tablet computing, touchscreen interfaces and downloadable apps reimagine the wristwatch? Just how terrified should Piaget, Rolex and Patek Philippe be?