As expected, Apple CEO Steve Jobs today unveiled the iPhone 4, with over 100 new features. Similar to the leaked prototype, the 9.3mm thick device—24% thinner than the iPhone 3GS—has glass on both the front and back with steel around the sides that also serves as part of the antenna system. As expected, its 3.5-inch display—which Apple is dubbing a “retina display” due to its 326 pixel-per-inch pitch that’s above…
