Apple today released iPhone OS 3.1, adding Bluetooth Voice Control, and a new feature called Genius for Apps. Utilizing the Genius technology the company debuted in iTunes 8, iPhone OS 3.1 and iTunes 9 will be able to make recommendations based on the apps the user already owns through the Genius for Apps feature, which gets its own listing in the App Store. In addition, iPhone OS 3.1 adds the ability to buy and directly download pre-made ringtones.…
