According to Teruyuki Kato, the project's leader, this arrangement can measure a buoy's vertical motion with an accuracy of a few centimetres, which will pick up dangerous tsunamis in the open ocean where they are mere ripples on the surface (they rear up into killer waves only when they reach the shallows).

ECONOMIST: New ways of tracking these killer waves may help save lives

Sure, there were exceptions to the rule like Dragon Naturally speaking for dictation and voice command and control, but that really only caught on in vertical markets like legal and medical where the dictionaries were precise and users used headphones to improve accuracy.

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