The technology is called Shark (Shorthand-Aided Rapid Keyboarding), and it will be ready to go commercial within the coming months.
"We realised that people remember patterns and not letters," explained Dr Zhai. "There is some higher level learning that is encoded in human memory."More details at BBC
In order to tap into this unrealised potential, the IBM team came up with software that works by using geometrical patterns to represent words.
Instead of tapping out letters or writing a word on screen, you trace each letter in a single, fluid stroke. The keyboard on screen shows the shape of the word.