T9.txt -

The T9 system, developed by Martin King, Dale Grover, and Cliff Kushler , uses a few clever tricks:

Every digit from 2–9 is mapped to a set of characters (e.g., 2 = ABC, 3 = DEF). t9.txt

When you type 4-6-6-3 , the phone has to choose between "good," "home," and "gone." A well-optimized t9.txt contains thousands of words ranked by how often people actually use them. This is why "good" usually appears first—it has a higher frequency weight in the text file. The Technical Magic: How it Works The T9 system, developed by Martin King, Dale