If you're an enthusiastic, tech savvy iPhone fan, the odds are pretty good that the iPhone is an open book for you. From top to bottom, all of the device's features are like second nature to you, and you're constantly helping friends and family discover new features on their own iPhones.
For everyone else, however, there is still a wide range of functionality packed into Apple's iPhone that hasn't yet been uncovered.
5 somewhat secret things you didn’t know your iPhone could do