37. A portable device for improving data input, comprising: a display device for displaying one or more words to a user of the portable device, the display device including a text insertion point; an input device operative to receive an input by the user and to produce an input data entry identifying the user input; and a processor operatively coupled to the display device and the input device, and programmed to: ascertain a set of words for display to a user based on an already displayed word by the display device immediately preceding the text insertion point, each of the words in the set being ascertained based on a respective frequency of usage of the respective word with the already displayed word in a predetermined language; control the display device to display each word in the ascertained set in association with a respective selectable dynamic key; receive from the input device an input data entry representing selection by the user of one of the selectable dynamic keys; and control the display device to display at the text insertion point the respective word in the ascertained set associated with the selected dynamic key as represented by the received input data entry, the input device of the portable device including first and second input devices, the first input device and the display device disposed on a front of the portable device, and the second input device disposed on a back of the portable device, the second input device including means for selecting the selectable dynamic keys associated with the displayed set of words, the set of words including nine words displayed in a table having three rows and three columns by the display device, and the second input device includes three buttons disposed on a left portion on the back of the portable device for selecting each of the three words displayed in a left-most column of the table, and the second input device includes three buttons disposed on a right portion on the back of the portable device for selecting each of the three words displayed in a right-most column of the table, and wherein simultaneous depression of respective left and right buttons on the back of the portable device selects each of the three words displayed in a middle column of the table.
37. A portable device for improving data input, comprising: a display device for displaying one or more words to a user of the portable device, the display device including a text insertion point; an input device operative to receive an input by the user and to produce an input data entry identifying the user input; and a processor operatively coupled to the display device and the input device, and programmed to: ascertain a set of words for display to a user based on an already displayed word by the display device immediately preceding the text insertion point, each of the words in the set being ascertained based on a respective frequency of usage of the respective word with the already displayed word in a predetermined language; control the display device to display each word in the ascertained set in association with a respective selectable dynamic key; receive from the input device an input data entry representing selection by the user of one of the selectable dynamic keys; and control the display device to display at the text insertion point the respective word in the ascertained set associated with the selected dynamic key as represented by the received input data entry, the input device of the portable device including first and second input devices, the first input device and the display device disposed on a front of the portable device, and the second input device disposed on a back of the portable device, the second input device including means for selecting the selectable dynamic keys associated with the displayed set of words, the set of words including nine words displayed in a table having three rows and three columns by the display device, and the second input device includes three buttons disposed on a left portion on the back of the portable device for selecting each of the three words displayed in a left-most column of the table, and the second input device includes three buttons disposed on a right portion on the back of the portable device for selecting each of the three words displayed in a right-most column of the table, and wherein simultaneous depression of respective left and right buttons on the back of the portable device selects each of the three words displayed in a middle column of the table. 54. The portable device of claim 37 , wherein the processor is programmed to control the display device to display a set of functional icons corresponding to different actions to be taken by the processor upon subsequent selection by the user.