The iPhone (left) and Palm Pre both display calendars graphically, with event information legible in the day view. Both devices give more detailed information when an event is clicked. The iPhone doesn't allow you to assign events to calendars other than the calendar in which you created the event; the Pre, however, does. The iPhone lets you initiate calendar invitations; the Pre does not. The iPhone, however, cannot open .ics calendar invitation files, whereas the Pre can. The iPhone's list view for calendars is a compact display method the Pre lacks.

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