What does the "I" stand for? Why "invisible" of course.
The picture above, taken from The Onion, shows Steve Jobs introducing the new tech toy at during one of his legendary (this time imaginary, however) keynote addresses. In the article, the Apple CEO points out only "truly savvy" Apple customers can see the device. One customer even points out the "the selection of colors is amazing."
See here to read the article, titled: Apple Claims New iPhone Only Visible To Most Loyal Of Customers.