It links to another article which reveals: > Eight of the 15 camera modules will be used for see-through augmented reality experiences, six modules will be use

It links to another article which reveals: > Eight of the 15 camera modules will be used for see-through augmented reality experiences, six modules will be used for "innovative biometrics," and one camera module will be used for environmental detection. So this will be like Google Glass, potentially recording the faces of everyone you meet, and using "innovative biometrics" to build a database of eye scans and face shapes, by the sound of it.