"PDA 's" . "handheld device" . . . . . . . "handheld PC" . "Personal Intelligent Communicator" . . "Communicators" . . "Wireless PDA" . . . . . . "palmtop" . . "hand held computers" . . . . . . "data organizer" . . "PDA device" . . "portable devices" . . . . . "Personal digital assistant" . . "PDA (Personal Digital Assistant)" . . . "PDA the Supercalifragilisticexpiefficaceous" . "organizer" . . "Wireless interconnected handhelds" . . "Personal digital assistant" . . . "smart-assistant" . . "organiser" . . . . . . "Synchronization" . "Personal Digital Assistants" . "PDA" . . . . "PDA interface" . . . . . "PDA's" . . . . . . "traditional PDAs" . "PDAs." . . "PDAs" . "personal digital assistant" . . . "handheld" . . "digital assistant" . . . . . "personal device" .