36% of US wireless customers have been shocked by their wireless bills

36% of cell owners say they have been shocked from time to time at the size of their monthly bills. 47% of cell owners say they would like maps on their cell phones and 38% say they would like to have instant messages from select friends sent to their cells. Some 24% of cell owners say they would like to use their phones to conduct searches for services such as movie listings, weather reports, and stock quotes. And a similar 24% of cell owners would like to add email to their mobile-phone functionality. 35% already use text messaging features on their phones and another 13% would like to add that capacity to their phone. 19% of cell owners say they would like to add the capacity to take still pictures to their cells, Pew Internet & American Life Project reports.