iOS 8 has been finally released, and there is a buzz around. iPhone users and fans alike are excited about the changes that might be incorporated into the new OS. Not long ago, people were speaking about the novelty of iOS 7, and now that an upgraded version is available they want to know how exactly this version is different from the previous one. If you have been anxious to know what iOS 8 has to offer, we will tell you all. Here are some of the things that have changed from iOS 7 to iOS 8.