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Text Entry Systems by Kumiko Tanaka-Ishii, I. Scott MacKenzie

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CHAPTER 4

Evaluation of Text Entry Techniques

I. Scott MacKenzie,     York University, Toronto, ON, Canada

4.1 INTRODUCTION

New methods of text entry appear with great frequency these days. This is due in large part to the recent and heightened interest in pen-based computing, mobile computing, and short message service (SMS) messaging on mobile phones. The statistics for SMS messaging are particularly staggering: world volumes are now in excess of 1 billion messages per day (Economist, 2004)! In that such quantities of text are entered using the small and limited keypad on mobile phones, it is no wonder that researchers are investigating new techniques for the efficient entry of text.

However, there is an unfortunate reluctance on the part ...

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