Of the time they're not making calls, 12.1% is used to access the internet (normal phone owners only do this for 2.4% of the time), and listening to music or watching video on the device for 11.9% of the time (normal phone owners only do this for 2.5%). They also do a lot of using the Email services on the device, taking up 10.4 of their usage time, instead of the usual 2.8% of most users.
"This usage pattern shows Apple has succeeded in producing a true convergence product that consumers like to use for multiple purposes," said Greg Sheppard, chief development officer for iSuppli. "Apple has come as close as anyone to achieving a balanced convergence in mobile-handset features and usage," he added.
What do you use your iPhone for most of the time? Let me know in the comments!