Holosphere "She took a subvocal input device from its rack and placed the attached sensors on her throat, jaw, and temples.
...
She didn't have to speak aloud, only intend to. The subvocal read nerve signals, letter her enter words by just beginning to will them.
...
Tapping certain teeth made colors shift in the tanks and screens. A yawn sent cyclones spinning within a blue expanse."
p 340
Biosphere "One muttered word and the desk projector displayed a cutaway view of a human cranium."
Likely
Describe the prediction in terms of what has happened in the last fifteen or so years.