Do students really need mobile phones?

Do students really need mobile phones?
Borneo Bulletin - Do students really need mobile phones? What troubles me most is the way mobile phones are used by students in schools.

PalmSource posts wider quarterly net loss
SignOn San Diego - OS PalmSource's software system that powers both handheld devices and high-end mobile phones reported shipping some 1.

Hotel drugs dealing pair guilty
BBC - Armed with mobile phones the men, both from south east London, used the room as the base for their drug dealing