About i phone

i phone designed and marked by apple. steve jobs is ceo apple. i phone is a first smart phone. latest i phone is i phone 4s. it has more features. i phone support variety of application. most of developers try to i phone application development. it has good income. and so many web site develop i phone application. i phone application development is good earning method. do you want to modifying your i phone google it how to jailbreak iphone 4 you find solutions.  i phone has inbuilt  application. it has facebook , skype  , etc. that application developed by apple and other i phone application developer. i phone has big camera , web browsing , wifi , 3g , and touch display. i phone application is available from App Store. apple and third party i phone developer can upload there application for App Store.