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Predictive Text
Predictive text is an input technology designed for mobile phones. The technology allows words to be entered by a single keypress for each letter, as opposed to the multiple keypress approach used in the older generation of mobile phones. The primary application of this is to simplify the writing of text messages.
Predictive text works by referencing a dictionary of commonly used words. As the user presses the number buttons, an algorithm searches the dictionary for a list of possible words that match the keypress combination, and offers up the most probable choice. The user can then confirm the selection and move on, or use a key to cycle through the possible combinations. Sometimes, this is combined with a word completion facility, or a learning system to remember the user's most common words.
Originally patented as a method for communicating with deaf people via phone in 1988 (Roy Feinson #4,754,474 ), predictive text had limited applications until mobile phone text messaging came into widespread use.
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