The iPhone 4S, which Apple introduced earlier this week, includes several improvements over its predecessor. It sports a faster processor, an all-new operating system, and what is likely to become a class-leading 8MP camera.
One addition that Apple has been fairly quiet about, however, is the handset's support for Bluetooth 4.0. In fact, as several sites have pointed out, the iPhone 4S is the first smartphone to support the new technology...