Thirty years in. And this might be the most excited I've been about a new iPhone in a decade. I've been an Apple user for over 30 years. I've watched this company go from the Macintosh to the iPod to the iPhone; from a cult brand that techies argued about to the most valuable company on earth. I've seen the hits and I've sat through a few misses. I know how to tell the difference between a genuine leap forward and a shiny object Apple is selling because it needs something new