Issue No. 03 - July-September (2004 vol. 3)
The typing rates of today's text-entry methods using the mobile phone's number pad are two to five times slower than that expected with a desktop keyboard. For mobile phone service providers to enable mobile email, faster typing methods must be devised. Several methods currently exist for improving mobile-text-entry speeds.
mobile text entry, multitap, Twiddler chording, mobile keyboards
Thad Starner, "Keyboards Redux: Fast Mobile Text Entry", IEEE Pervasive Computing, vol. 3, no. , pp. 97-101, July-September 2004, doi:10.1109/MPRV.2004.1321035