https://www.engadget.com/2006-02-14-xt9-takes-predictive-text-entry-to-the-xtreme.html
XT9 takes predictive text entry to the Xtreme
Feb 14, 2006 - T9, that old friend who makes mobile messaging slightly less frustrating, has made a big resurgence at this year's 3GSM with an extreme new look and attitude....
predictive text entryto thext9takesxtreme
https://aclanthology.org/W03-2506/
HMS: A Predictive Text Entry Method Using Bigrams - ACL Anthology
Jon Hasselgren, Erik Montnemery, Pierre Nugues, Markus Svensson. Proceedings of the 2003 EACL Workshop on Language Modeling for Text Entry Methods. 2003.
predictive text entryhmsmethodusingbigrams