A new typing technology developed by IBM researchers, ShapeWriter lets users type on a touch screen using a finger or a stylus. Rather than pressing individual keys, a user would move their finger around the screen's keyboard to point out words, lifting a finger to indicate when a word is complete. Software would then match the pattern traced from letter to letter with that in a dictionary database.
IBM is in talks with carriers and handset makers about using this technology.
Ref: Businessweek
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