One advantage of the iPhone 4 is the Facetime feature. This feature is similar to a video call. If on the PC, we know the webcam. You could say this is the video call feature a la iPhone with all the advantages of technology and the speed of data that can be conducted with an internet connection.
One of the advantages is the availability of the iPhone application very much and very diverse. More than 100 thousands of applications available in the Apps Store that is ready to be downloaded for free or purchased. Various applications are freely available, Provided that the capacity does not exceed 100 MB.
iPhone runs OS (Operating System) Mac OS. The operating system version is very light, Unlike the Mac computers in general. Many components are eliminated because it is not required. IPhone users can update the operating system on a regular basis through iTunes for free.