Usability test of the iPhone yields interesting result
The swedish usability consulting firm inUse did a usability review of four mobile phones including Apple’s iPhone, the HTC TyTN, Sony Ericsson W910i, and Nokia N95. Users performed common tasks such as making a call by dialing a number manually and then by calling a person from the address book, change volume during a call add a new contact to the address book, create a new calendar event and more....