May also correct misspellings and regional typos (if an adjacent key is pressed incorrectly). iTap—Similar to first-generation T9, with word autocomplete. LetterWise—"Hit the key with the letter you want, if it doesn't come up, hit Next until it does." Fleksy—Eyes-free touch typing for touchscreen devices, also used by blind / visually impaired people.[1] SwiftKey—context-sensitive word-prediction[2][3] FITALY An array, almost square, which minimizes distance traveled from one letter to another.