Kulsum+Makda

=The iPhone 4 is a touchscreen Smartphone developed by Apple. It is the fourth generation of iPhone, and successor to the iPhone 3GS. It is particularly marketed for video calling, consumption of media such as books and periodicals, movies, music, and games, and for general web and e-mail access. It was released on June 24, 2010 in the United States, the United Kingdom, France, Germany and Japan.The iPhone 4 runs Apple's iOS operating system, the same operating system as used on previous iPhones, the iPad, and the iPod Touch. It is primarily controlled by a user's fingertips on the multi-touch display,which is sensitive to fingertip contact. = =The BlackBerry Storm is a touch screen Smartphone developed by Research In Motion (RIM). A part of the BlackBerry 9500 series of phones,it is RIM's first touch screen device, and its first without a physical keyboard. It features a touch screen which reacts physically like a button via Sure Press, a Research In Motion patented technology of providing hap tic feedback. It is intended to be a direct competitor to Apple iPhone The Storm has received mixed reviews from critics, with some finding the Storm's touch screen difficult to use or discovering bugs and glitches with the phone's software, but some have praised the Storm for its call quality and its business-oriented features. = = =