There are many different types of iPhone 4 cases. For example, in some cases, you can wear on your belt. This makes the retrieval of your iPhone, and very easy to located in close proximity to the facts, the case itself. Needless to say, many people, they found that in this particular location is convenient. Very popular type of another the iPhone case, you can easily in a purse or pocket. Some people feel a little funny, and their iPhone from the belt shake to and fro. Therefore, these people often will choose, rather than their iPhone into a pocket or purse, which still allows the device can be easily retrieved when needed. You can imagine, there are a lot of people do not like to go to the subway or go to the peak region and the world access to their iPhone. Therefore, this particular type of case is very useful. Problems caused by all this, why are there so many people choose to use the iPhone 4. In other words, there is a particular reason why the device is not simply enter a messy purse or pocket change or keys all stuck. This is a good question. A simple explanation is the fact that many people really value their iPhone, do not want to be scratched or otherwise damaged as a traditional wear, which may cause the equipment is not as long as the final result as a potential need to repair more frequent. From a pricing point of view, the iPhone 4 more affordable when you consider the fact that they are protecting you have made an extremely valuable investment. When you look at it from this angle, it is easy to see why so many people really like shopping around for them.