iOS 7 is certainly one of the most significant replacement products in Apple history. As a free download and the sole operating system for Apple’s iPad, iPhone, and iPod touch devices, any iOS release has an immediate effect on hundreds of millions of people, now ranging from 1 to 100 in age. Kids around the world use iOS devices to learn and play. Teenagers, adults, and seniors choose iPhones, iPads, and iPods for everything from phone calls…