The market is full of mobile phones. Each phone has innumerable features that distinguish them from others. In these various phones there exists a category of phones which have a special feature of handheld organizers.
The handheld organizer, also called PDA (Personal Digital Assistant), can be used for managing contacts, appointments and tasks. It typically includes a name and address database, to-do list, note taker and calendar, which are the functions of a personal information manager.
